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CN-224218297-U - Novel connecting circuit of motor compatible 4-wire 2-phase stepping motor

CN224218297UCN 224218297 UCN224218297 UCN 224218297UCN-224218297-U

Abstract

The utility model discloses a novel motor compatible 4-wire 2-phase stepping motor connection 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 4 output ends OUT 1-OUT 4, 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 OUT1 end of the terminal J1, the GND end of the novel motor terminal J2 is electrically connected with the OUT2 end of the terminal J1, the PWM end of the novel motor terminal J2 is electrically connected with the OUT3 end of the terminal J1, the main control board is powered on initially, the OUT1 end of the terminal J1 is controlled to be positive, the OUT2 end of the terminal J1 is controlled to be negative, and the OUT3 end of the terminal J1 is controlled to output PWM signals, so that the change cost is saved, and the novel motor terminal is convenient to apply quickly.

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 (3)

  1. 1. Novel connecting circuit of compatible 4 line 2 looks stepper motor of motor, characterized by, include: The novel motor comprises a main control board (10) and a novel motor terminal J2, wherein a terminal J1 is arranged on the main control board (10), and the terminal J1 comprises 4 output ends OUT 1-OUT 4; Novel motor terminal J2 includes power end, GND end and PWM end, and novel motor terminal J2's power end is connected with terminal J1's OUT1 end electricity, and novel motor terminal J2's GND end is connected with terminal J1's OUT2 end electricity, and novel motor terminal J2's PWM end is connected with terminal J1's OUT3 end electricity, and it is initial to power on the OUT1 end of main control board control terminal J1 is positive, terminal J1's OUT2 end is negative to control terminal J1's OUT3 end output PWM signal.
  2. 2. The connection circuit of the novel motor compatible 4-wire 2-phase stepping motor of claim 1, wherein the main control board (10) comprises a main control MCU, an inverter bridge B1 and an inverter bridge B2, two output ends of the inverter bridge B1 are respectively and correspondingly electrically connected with an OUT1 end and an OUT2 end of a terminal J1, two output ends of the inverter bridge B2 are respectively and correspondingly electrically connected with an OUT3 end and an OUT4 end of the terminal J1, a positive end of the inverter bridge B1 and a positive end of the inverter bridge B2 are respectively and electrically connected with a positive electrode of a power supply, and a negative end of the inverter bridge B1 and a negative end of the inverter bridge B2 are respectively grounded.
  3. 3. The connection circuit of the novel motor compatible 4-wire 2-phase stepping motor according to claim 2, wherein the main control board (10) comprises a detection resistor R1, one end of the detection resistor R1 is respectively and electrically connected with the negative end of the inverter bridge B1 and the negative end of the inverter bridge B2, and the other end of the detection resistor R1 is grounded.

Description

Novel connecting circuit of motor compatible 4-wire 2-phase stepping motor Technical Field The utility model relates to the technical field of motor control, in particular to a novel connecting circuit of a motor compatible 4-wire 2-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 4-wire 2-phase motor, and the load is driven to swing/rotate by rotating 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 existing problem is that the traditional 4-wire 2-phase stepping motor is driven by two independent full bridges, and the wiring terminal on the main control board of the traditional 4-wire 2-phase stepping motor is provided with 4 ports OUT 1-OUT 4, so that the traditional 4-wire 2-phase stepping motor cannot be compatible and matched with the existing 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 motor compatible 4-wire 2-phase stepping motor. The novel motor compatible 4-wire 2-phase stepping motor connecting circuit 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 4 output ends OUT 1-OUT 4, 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 OUT1 end of the terminal J1, the GND end of the novel motor terminal J2 is electrically connected with the OUT2 end of the terminal J1, the PWM end of the novel motor terminal J2 is electrically connected with the OUT3 end of the terminal J1, the OUT1 end of the terminal J1 is positive under the control of the main control board at the initial power-on state, the OUT2 end of the terminal J1 is negative under the control of the output of PWM signals. According to some embodiments of the present utility model, the main control board includes a main control MCU, an inverter bridge B1 and an inverter bridge B2, where two output ends of the inverter bridge B1 are respectively and correspondingly electrically connected to an OUT1 end and an OUT2 end of the terminal J1, two output ends of the inverter bridge B2 are respectively and correspondingly electrically connected to an OUT3 end and an OUT4 end of the terminal J1, a positive end of the inverter bridge B1 and a positive end of the inverter bridge B2 are respectively and electrically connected to a positive electrode of a power supply, and a negative end of the inverter bridge B1 and a negative end of the inverter bridge B2 are respectively grounded through resistors. According to some embodiments of the present utility model, the main control board includes a detection resistor R1, one end of the detection resistor R1 is electrically connected to the negative terminal of the inverter bridge B1 and the negative terminal of the inverter bridge B2, respectively, and the other end of the detection resistor R1 is grounded. The connecting circuit of the novel motor compatible 4-wire 2-phase stepping motor at least has the following beneficial effects that through electrically connecting the power end of the novel motor terminal J2 with the OUT1 end of the terminal J1, electrically connecting the GND end of the novel motor terminal J2 with the OUT2 end of the terminal J1, the power-on initial control of the current directions of two full bridges through the main control board enables the OUT1 end of the terminal J1 to be positive, is used for supplying power to the power end of the novel motor terminal J2, enables the OUT2 end of the terminal J1 to be negative, is used for grounding the GND end of the novel motor terminal J2, and the OUT3 end of the terminal J1 outputs PWM signals to the PWM end of the novel motor terminal J2, so that the PWM end of the novel motor has control signals, and therefore, the novel motor terminal J2 and the terminal J1 on the main control board of the traditional stepping motor can be compatible only by modifying control logic, the change cost is saved, and the novel motor terminal J2 is convenient to be quickly applied