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CN-224218298-U - Novel connecting circuit of motor compatible 5-wire 4-phase stepping motor

CN224218298UCN 224218298 UCN224218298 UCN 224218298UCN-224218298-U

Abstract

The utility model discloses a novel motor compatible 5-wire 4-phase stepping motor connecting circuit, which comprises a main control board and a novel motor terminal J2, wherein the main control board is provided with a terminal J1, the terminal J1 comprises a power end and 4 output ends, the novel motor terminal J2 comprises a power end, a GND end and a PWM end, the power end of the novel motor terminal J2 is electrically connected with the power end of the terminal J1, the GND end of the novel motor terminal J2 is electrically connected with 1 or 2 or 3 output ends of the terminal J1, the main control board controls the 1 or 2 or 3 output ends of the terminal J1 to be grounded, and the PWM end of the novel motor terminal J2 is electrically connected with the other output end of the terminal J1, so that the cost is saved and the novel motor terminal J2 is convenient to be rapidly applied.

Inventors

  • WANG SHOUSHENG
  • ZHOU AIMING
  • WANG BIN
  • ZHONG HUANHUAN
  • MA JIANFENG
  • LAN XIAOLI

Assignees

  • 广东惠利普智能科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250407

Claims (6)

  1. 1. Novel connecting circuit of compatible 5 line 4 looks step motor of motor, characterized by, include: The novel motor terminal J2 comprises a power end, a GND end and a PWM end, the power end of the novel motor terminal J2 is electrically connected with the power end of the terminal J1, the GND end of the novel motor terminal J2 is electrically connected with 1 or 2 or 3 output ends of the terminal J1, the 1 or 2 or 3 output ends of the terminal J1 are controlled by the main control board to be grounded, and the PWM end of the novel motor terminal J2 is electrically connected with the other output end of the terminal J1.
  2. 2. The connection circuit of the novel motor compatible 5-wire 4-phase stepping motor according to claim 1, wherein the main control board (10) comprises a main control MCU and a driving chip U1, four input pins IN 1-IN 4 of the driving chip U1 are respectively and electrically connected with the main control MCU, and 4 output pins OUT 1-OUT 4 of the driving chip U1 are respectively and electrically connected with a terminal J1 so as to transmit power and signals to a novel motor terminal J2.
  3. 3. The connection circuit of the novel motor compatible 5-wire 4-phase stepping motor of claim 2, wherein the main control MCU controls 1 or 2 or 3 input pins of the driving chip U1 to be in a high level at the initial stage of power-on so that 1 or 2 or 3 output pins of the driving chip U1 are grounded, and 1 or 2 or 3 output pins of the terminal J1 are grounded.
  4. 4. The connection circuit of the novel motor compatible 5-wire 4-phase stepping motor according to claim 3, wherein one input pin and one output pin of the driving chip U1 control the PWM end of the novel motor terminal J2 through the terminal J1.
  5. 5. The connection circuit of the novel motor compatible 5-wire 4-phase stepping motor according to claim 1, wherein the main control board (10) comprises a main control MCU and 4 paths of driving circuits (20), four input ends of the 4 paths of driving circuits (20) are respectively electrically connected with corresponding IO ports of the main control MCU, 1 or 2 or 3 output ends of the 4 paths of driving circuits (20) are electrically connected with corresponding ports of a terminal J1 to control 1 or 2 or 3 output ends of the terminal J1 to be grounded, and the other output end of the 4 paths of driving circuits (20) is electrically connected with the other port of the terminal J1 to transmit control signals to PWM ends of the novel motor terminal J2.
  6. 6. The connection circuit of the novel motor compatible 5-wire 4-phase stepping motor according to claim 5, wherein each path of the driving circuit comprises a switching tube Q1 and a diode D1, a control end of the switching tube Q1 is electrically connected with a corresponding I/O port of the main control MCU, a positive end of the switching tube Q1 is electrically connected with a positive electrode of the diode D1 and a corresponding port of a terminal J1 respectively, and a negative end of the switching tube Q1 is grounded.

Description

Novel connecting circuit of motor compatible 5-wire 4-phase stepping motor Technical Field The utility model relates to the technical field of motors, in particular to a novel connecting circuit of a motor compatible 5-wire 4-phase stepping motor. Background The stepper motor is widely applied, such as wind swinging of household appliances or vehicle-mounted air conditioners, security monitoring, fluid control valves, temperature adjustment, atmosphere lamp swinging and the like. The traditional stepping motor is a 5-wire 4-phase motor, and drives a load to swing/rotate through the rotation of one pulse and one mechanical step, so that the swing control of the silk slip cannot be realized. The novel 3-wire stepping motor is produced through technical improvement, is similar to a BLDC motor, and has the functions of silence, slow start and stop, adjustable phase locking force, accurate step number, high efficiency, locked rotor protection and self-provided over-current and over-temperature protection. The problem that exists at present is, because binding post on the main control board of traditional 5 line 4 looks stepper motor has 5 ports, corresponds connection power cord and 4 output lines respectively, can't compatible matching with current novel motor. In order to match the novel motor, the main control board needs to be modified, if the main control board is modified, the requirements of mold opening, material coding and the like are changed again, the cost is high, and the whole process is complex. Disclosure of utility model The utility model aims to at least solve one of the technical problems in the prior art and provides a novel connecting circuit for a 5-wire 4-phase stepping motor compatible with a motor. The novel motor compatible 5-wire 4-phase stepping motor connecting circuit comprises a main control board and novel motor terminals J2, wherein the main control board is provided with terminals J1, each terminal J1 comprises a power end and 4 output ends, each novel motor terminal J2 comprises a power end, a GND end and a PWM end, the power ends of the novel motor terminals J2 are electrically connected with the power ends of the terminals J1, the GND ends of the novel motor terminals J2 are electrically connected with 1 or 2 or 3 output ends of the terminals J1, the main control board controls 1 or 2 or 3 output ends of the terminals J1 to be grounded, and the PWM ends of the novel motor terminals J2 are electrically connected with the other output ends of the terminals J1. According to some embodiments of the present utility model, the main control board includes a main control MCU and a driving chip U1, four input pins IN1 to IN4 of the driving chip U1 are electrically connected to the main control MCU to amplify control signals output by the main control MCU, and 4 output pins OUT1 to OUT4 of the driving chip U1 are respectively electrically connected to 4 output ends of the terminal J1 to transmit amplified control signals to the novel motor terminal J2. According to some embodiments of the present utility model, the main control MCU controls 1 or 2 or 3 input pins (for example, IN 1-IN 3) of the driving chip U1 to be set to high level at the initial stage of power-up so that 1 or 2 or 3 output pins (for example, OUT 1-OUT 3) of the driving chip U1 are grounded, and 1 or 2 or 3 output pins of the terminal J1 are grounded. According to some embodiments of the present utility model, one input pin (e.g., IN 4) and one output pin (e.g., OUT 4) of the driver chip U1 control the PWM end of the novel motor terminal J2 via the terminal J1. According to some embodiments of the present utility model, the main control board includes a main control MCU and 4 driving circuits, four input ends of the 4 driving circuits are respectively electrically connected with corresponding IO ports of the main control MCU, 1 or 2 or 3 output ends of the 4 driving circuits are electrically connected with corresponding ports of the terminal J1 to control 1 or 2 or 3 output ends of the terminal J1 to be grounded, and another output end of the 4 driving circuits is electrically connected with another port of the terminal J1 to transmit a control signal to a PWM end of the novel motor terminal J2. According to some embodiments of the present utility model, each path of the driving circuit includes a switching tube Q1 and a diode D1, a control end of the switching tube Q1 is electrically connected with a corresponding I/O port of the main control MCU through a series resistor, a positive end of the switching tube Q1 is electrically connected with a positive electrode of the diode D1 and a corresponding port of the terminal J1, and a negative end of the switching tube Q1 is grounded. The compatible circuit of the 5-wire 4-phase motor main control board at least has the advantages that the power end of the novel motor is electrically connected with the power end of the terminal J1, 1 or 2 or 3 output ends of the terminal