CN215871242U

CN215871242U - Direct-current brushless driver of doubling winder

Info

Publication number: CN215871242U
Application number: CN202121892736.6U
Authority: CN
Inventors: 陈宥融; 钱立; 顾成东; 王凌钧; 张宇雷; 王吉尔
Original assignee: Zhejiang Taitan Co ltd
Current assignee: Zhejiang Taitan Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-18
Anticipated expiration: 2031-08-13

Abstract

A direct-current brushless driver of a doubling winder belongs to the technical field of textile machinery. The utility model comprises an MCU main control chip for controlling external communication and internal commands of a driver and two DSP chips for driving the non-inductive direct current brushless motors, wherein the MCU main control chip is connected with the DSP chips, each DSP chip independently drives one path of the non-inductive direct current brushless motors, and the DSP chips are connected with a voltage acquisition module, a current acquisition module and a motor driving module. The direct current brushless motor driven by the driver is a non-inductive direct current brushless motor, compared with an inductive direct current brushless motor, a Hall sensor in the motor can be omitted, and the driver can simultaneously drive two paths of non-inductive direct current brushless motors, so that the cost is greatly reduced, and the reliability is good.

Description

Direct-current brushless driver of doubling winder

Technical Field

The utility model belongs to the technical field of textile machinery, and particularly relates to a direct-current brushless driver of a doubling winder.

Background

The traditional doubling winder is driven by a motor to complete winding forming, and the single spindle cannot be independently controlled due to the driving mode, so that yarn breakage is easy to occur during starting. The method has the advantages that the winding forming is controlled by using each spindle through the brushless direct current motor, the control mode is adopted, the winding forming of each spindle is controlled independently, parameters can be controlled independently, the flexibility is higher, the speed is gradually increased when the spindle is started at each time, yarn breakage can not happen in the yarn changing process, the application range of the yarn is wider than that of a traditional doubling winder, the brushless direct current motor is adopted for controlling, the energy consumption is less, and the energy is more energy-saving than that of the traditional doubling winder. However, the conventional dc brushless motor adopts a sensed dc brushless motor, and the cost of a driver of the conventional dc brushless motor is high.

Therefore, a new solution is needed to solve this problem.

Disclosure of Invention

The utility model mainly solves the technical problems in the prior art and provides a direct-current brushless driver of a doubling winder.

The technical problem of the utility model is mainly solved by the following technical scheme: the utility model provides a doubler winder direct current brushless driver, is including the MCU main control chip that is used for controlling outside communication and driver internal command, and the DSP chip that is used for driving noninductive direct current brushless motor, MCU main control chip links to each other with the DSP chip, the DSP chip is equipped with two, every the DSP chip all independently drives noninductive direct current brushless motor of the same kind, the DSP chip is connected with voltage acquisition module, current acquisition module and motor drive module, voltage acquisition module is used for gathering busbar voltage, and the voltage value of noninductive direct current brushless motor three-phase, current acquisition module is used for gathering the current value of noninductive direct current brushless motor three-phase, the DSP chip drives noninductive direct current brushless motor through the three-phase drive signal of motor drive module output noninductive direct current brushless motor three-phase.

Preferably, the MCU main control chip is connected with the DSP chip through an SPI bus.

Preferably, the MCU main control chip is a 32-bit chip.

Preferably, the MCU main control chip is connected with a 485 module.

Preferably, the MCU main control chip is connected with a human-computer interface I and a human-computer interface II.

The utility model has the following beneficial effects: the direct current brushless motor driven by the driver is a non-inductive direct current brushless motor, compared with an inductive direct current brushless motor, a Hall sensor in the motor can be omitted, and the driver can simultaneously drive two paths of non-inductive direct current brushless motors, so that the cost is greatly reduced, and the reliability is good.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a circuit diagram of the MCU master control chip of the present invention;

FIG. 3 is a circuit diagram of the DSP chip of the present invention;

FIG. 4 is a circuit diagram of a 485 module of the present invention;

FIG. 5 is a circuit diagram of a voltage acquisition module of the present invention;

FIG. 6 is a circuit diagram of a current collection module of the present invention;

fig. 7 is a circuit diagram of the motor drive module of the present invention.

In the figure: 1. the MCU main control chip; 2. a DSP chip; 3. a voltage acquisition module; 4. a current collection module; 5. a motor drive module; 6. a 485 module; 7. a first human-computer interface; 8. and a second human-computer interface.

Detailed Description

The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.

Example (b): a direct-current brushless driver of a doubling winder is shown in figures 1-7 and comprises an MCU (microprogrammed control unit) main control chip 1 and a DSP (digital signal processor) chip 2, wherein the MCU main control chip 1 is used for controlling external communication and internal commands of the driver, the DSP chip 2 is used for driving a non-inductive direct-current brushless motor, the MCU main control chip 1 is a 32-bit chip, the MCU main control chip 1 is connected with the DSP chip 2, the two DSP chips 2 are independent from each other, and each DSP chip 2 independently drives one path of the non-inductive direct-current brushless motor.

Link to each other through the SPI bus between MCU

main control chip

1 and 2 DSP chips 2, it is specific: as shown in fig. 2 and fig. 3, the twenty-sixth pin of the MCU main control chip 1 is connected to the twenty-fourth pin of the DSP chip 2 through the SPI bus, the twenty-seventh pin of the MCU main control chip 1 is connected to the twenty-sixth pin of the DSP chip 2 through the SPI bus, the twenty-eighth pin of the MCU main control chip 1 is connected to the twenty-seventh pin of the DSP chip 2 through the SPI bus, and the forty-first pin of the MCU main control chip 1 is connected to the twenty-fifth pin of the DSP chip 2 through the SPI bus.

The MCU main control chip 1 is connected with a 485 module 6, and the 485 module 6 is used for establishing communication connection with a control system bus of the doubling winder. As shown in fig. 2 and 4, in the 485 module 6, a third pin of the chip U1 is connected to a thirteenth pin of the MCU main control chip 1, a fourth pin of the chip U1 is connected to an eleventh pin of the MCU main control chip 1, and a sixth pin of the chip U1 is connected to a twelfth pin of the MCU main control chip 1.

The MCU main control chip 1 is connected with a first human-computer interface 7 and a second human-computer interface 8, the first human-computer interface 7 is used for establishing communication connection with a first single-spindle control panel, the second human-computer interface 8 is used for establishing communication connection with a second single-spindle control panel, the first single-spindle control panel and the second single-spindle control panel are independent of each other and are respectively connected with two paths of non-inductive direct current brushless motors through drivers, namely the first single-spindle control panel is connected with one path of non-inductive direct current brushless motor through the first human-computer interface 7 of a controller, the second single-spindle control panel is connected with the other path of non-inductive direct current brushless motor through the second human-computer interface 8 of the controller, and the first single-spindle control panel and the second single-spindle control panel are both used for inputting parameter setting values of the non-inductive direct current brushless motor, displaying operation values of the non-inductive direct current brushless motor and the like.

Each DSP chip 2 is connected with a voltage acquisition module 3, a current acquisition module 4 and a motor drive module 5, the voltage acquisition modules 3, the current acquisition modules 4 and the motor drive modules 5 are independent of each other, the voltage acquisition module 3 is used for acquiring bus voltage connected with the voltage acquisition module and voltage values of three phases (namely U phase, V phase and W phase) of a non-inductive direct current brushless motor connected with the voltage acquisition module, the current acquisition module 4 is used for acquiring current values of three phases (namely U phase, V phase and W phase) of the non-inductive direct current brushless motor connected with the current acquisition module, the DSP chip 2 processes the acquired three-phase voltage values and three-phase current values, and the non-inductive current brushless motor is driven by driving signals of the three phases (namely U phase, V phase and W phase) of the non-inductive current brushless motor output through the motor drive module 5. As shown in fig. 3, 5-7, one of the paths of DSP chips 2, the voltage acquisition module 3, the current acquisition module 4, and the motor driving module 5 are connected as follows: a sixth pin of the DSP chip 2 is connected with a 1-Vbus _ ADIN end in the voltage acquisition module 3, an eighteenth pin of the DSP chip 2 is connected with a 1-VfbU _ ADIN end in the voltage acquisition module 3, a seventeenth pin of the DSP chip 2 is connected with a 1-VfbV _ ADIN end in the voltage acquisition module 3, and a sixteenth pin of the DSP chip 2 is connected with a 1-VfbW _ ADIN end in the voltage acquisition module 3; an eighth pin of the DSP chip 2 is connected with a 1-IfbU _ ADIN end in the current acquisition module 4, a thirteenth pin of the DSP chip 2 is connected with a 1-IfbV _ ADIN end in the current acquisition module 4, and a seventh pin of the DSP chip 2 is connected with a 1-IfbW _ ADIN end in the current acquisition module 4; the twenty-ninth pin of the DSP chip 2 is connected with the end 1-EPWM1A in the motor driving module 5, the twenty-eighth pin of the DSP chip 2 is connected with the end 1-EPWM1B in the motor driving module 5, the thirty-seventh pin of the DSP chip 2 is connected with the end 1-EPWM2A in the motor driving module 5, the thirty-eighth pin of the DSP chip 2 is connected with the end 1-EPWM2B in the motor driving module 5, the thirty-ninth pin of the DSP chip 2 is connected with the end 1-EPWM3A in the motor driving module 5, and the forty-fourth pin of the DSP chip 2 is connected with the end 1-EPWM3B in the motor driving module 5. Because two DSP chips 2 are the same, two voltage acquisition modules 3 are the same, two current acquisition modules 4 are the same, and two motor drive modules 5 are the same, the connection of the other DSP chip 2, the voltage acquisition module 3, the current acquisition module 4 and the motor drive module 5 is not repeated.

In summary, the dc brushless motor driven by the driver of the present invention is a non-inductive dc brushless motor, and compared with the inductive dc brushless motor, the driver can omit a hall sensor inside the motor, and can simultaneously drive two paths of non-inductive dc brushless motors, thereby greatly reducing the cost and having good reliability.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the utility model is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.

Claims

1. The direct-current brushless driver of the doubling winder comprises an MCU main control chip and a DSP chip, wherein the MCU main control chip is used for controlling external communication and commands inside the driver, the DSP chip is used for driving a non-inductive direct-current brushless motor, the MCU main control chip is connected with the DSP chip, the DSP chip is provided with two chips, each DSP chip independently drives one path of the non-inductive direct-current brushless motor, the DSP chip is connected with a voltage acquisition module, a current acquisition module and a motor driving module, the voltage acquisition module is used for acquiring bus voltage and voltage values of three phases of the non-inductive direct-current brushless motor, the current acquisition module is used for acquiring current values of the three phases of the non-inductive direct-current brushless motor, and the DSP chip outputs driving signals of the three phases of the non-inductive direct-current brushless motor through the motor driving module to drive the non-inductive direct-current brushless motor.

2. The direct-current brushless driver of the doubling winder according to claim 1, wherein the MCU main control chip is connected with the DSP chip through an SPI bus.

3. The direct-current brushless driver of the doubling winder according to claim 1, wherein the MCU main control chip is a 32-bit chip.

4. The direct-current brushless driver of the doubling winder according to claim 1, wherein a 485 module is connected to the MCU main control chip.

5. The direct-current brushless driver of the doubling winder according to claim 1, wherein the MCU main control chip is connected with a first human-computer interface and a second human-computer interface.