CN-224218296-U - Control module of phase-changeable soft start motor

CN224218296UCN 224218296 UCN224218296 UCN 224218296UCN-224218296-U

Abstract

The utility model discloses a commutation soft start motor control module, which belongs to the field of motor starting and solves the problem that a motor in the prior art cannot realize soft start and soft stop functions. The control unit mainly comprises a control unit, the control unit comprises an MCU controller, the MCU controller is connected with a relay driving module, the relay driving module is connected with a relay, one end of the relay is electrically connected with a current input module, the other end of the relay is electrically connected with a silicon controlled module through a phase change circuit, the silicon controlled module comprises a silicon controlled assembly and a trigger module, the trigger module is electrically connected with the MCU controller, and the silicon controlled module is connected with a motor load. According to the utility model, soft start of the lifting motor is realized through the silicon controlled module, input current is gradually increased, large current impact during direct start is avoided, instantaneous stress on the motor, a power supply and a mechanical structure is reduced, and the service life of equipment is prolonged.

Inventors

JI SHENGHUI
LI LEI
WANG HUAIYI

Assignees

淄博市临淄银河高技术开发有限公司

Dates

Publication Date: 20260508
Application Date: 20250424

Claims (5)

1. The control module of the commutation soft start motor is characterized by comprising an MCU controller, wherein the MCU controller is connected with a relay driving module, the relay driving module is connected with the relay module, one end of the relay module is electrically connected with a current input module, the other end of the relay module is electrically connected with a silicon controlled module through a commutation circuit, the silicon controlled module comprises a silicon controlled module and a trigger module, the trigger module is electrically connected with the MCU controller, and the silicon controlled module is connected with a motor load.
2. The control module of the commutation soft start motor according to claim 1, wherein the commutation circuit comprises a three-phase power input and a three-phase output link, the three-phase power input comprises an R phase, an S phase and a T phase, the three-phase output link comprises a U1 phase, a V1 phase, a W1 phase, a U2 phase, a V2 phase and a W2 phase, the thyristor assembly comprises a thyristor SCR1, a thyristor SCR2, a thyristor SCR3, a thyristor SCR4, a thyristor SCR5 and a thyristor SCR6, the relay module comprises a normally open contact KM1, a normally open contact KM2, a normally open contact KM3, a normally open contact KM4 and a normally open contact KM5, the T phase is electrically connected with the thyristor SCR3 and the thyristor SCR6 through the relay normally open contact KM5, the thyristor SCR6 is electrically connected with the W2 phase, the S phase is electrically connected with the normally open contact KM3 and the normally open contact KM4, the normally open contact KM3 is electrically connected with the thyristor SCR1 and the thyristor SCR4, the thyristor SCR1 is electrically connected with the normally open contact KM1 and the normally open contact KM4, and the thyristor SCR1 is electrically connected with the normally open contact KM1 and the normally open contact SCR4.
3. The control module of claim 1, wherein the control unit comprises an input terminal, the input terminal comprises a brake signal control terminal, a forward/reverse rotation control signal input terminal, a limit control signal input terminal and a wire breakage protection control signal input terminal, and the brake signal control terminal, the forward/reverse rotation control signal input terminal, the limit control signal input terminal and the wire breakage protection control signal input terminal are all connected with a control switch.
4. The control module of claim 1, wherein the MCU controller is connected with a detection module, and the detection module comprises a phase detection module, a balance detection module and a current detection module.
5. The control module of claim 1, wherein the control unit comprises an alarm connected to the MCU.

Description

Control module of phase-changeable soft start motor Technical Field The utility model relates to the field of lifting platforms, in particular to a control module of a phase-changeable soft start motor. Background The motor commutation is a core technology of operation of a motor without a mechanical commutator such as a direct current brushless motor, a stepping motor and the like, and is essentially characterized in that the energizing phases of stator windings are sequentially switched through electronic control, so that the continuous rotation or stepping motion of a rotor is maintained. The prior art publication No. CN203416205U discloses a motor commutation control circuit, which adopts the cooperation of a first triode, a second triode, a third triode and a fourth triode to commutate, but lacks protection to motor load, and lacks a control module with soft start and soft stop during commutation at present. Disclosure of utility model The utility model aims to provide a commutation soft start motor control module, which is used for solving the problem that the motor load in the prior art cannot realize soft start and soft stop functions during commutation. The utility model is realized by the following technical scheme: The control unit comprises an MCU controller, the MCU controller is connected with a relay driving module, the relay driving module is connected with the relay module, one end of the relay module is electrically connected with a current input module, the other end of the relay module is electrically connected with a silicon controlled module through a phase-change circuit, the silicon controlled module comprises a silicon controlled module and a trigger module, the trigger module is electrically connected with the MCU controller, and the silicon controlled module is connected with a motor load. The phase change circuit comprises a three-phase power input and a three-phase output link, wherein the three-phase power input comprises an R phase, an S phase and a T phase, the three-phase output link comprises a U1 phase, a V1 phase, a W1 phase, a U2 phase, a V2 phase and a W2 phase, the silicon controlled rectifier component comprises a silicon controlled rectifier SCR1, a silicon controlled rectifier SCR2, a silicon controlled rectifier SCR3, a silicon controlled rectifier SCR4, a silicon controlled rectifier SCR5 and a silicon controlled rectifier SCR6, the relay module comprises a normally open contact KM1, a normally open contact KM2, a normally open contact KM3, a normally open contact KM4 and a normally open contact KM5, the T phase is electrically connected with the silicon controlled rectifier SCR3 and the silicon controlled rectifier SCR6 through the relay normally open contact KM5, the silicon controlled rectifier SCR3 is electrically connected with the W1 phase, the silicon controlled rectifier SCR6 is electrically connected with the W2 phase, the S phase is electrically connected with the normally open contact KM3 and the normally open contact KM4, the normally open contact KM3 is electrically connected with the silicon controlled rectifier SCR1 and the normally open contact KM4, the normally open contact KM1 is electrically connected with the normally open contact KM4, and the normally open contact KM1 and the normally open contact SCR4 are electrically connected with the normally open contact KM1 and the normally open contact KM 1. The control unit further comprises an input terminal, wherein the input terminal comprises a brake signal control terminal, a forward and reverse rotation control signal input terminal, a limit control signal input terminal and a wire breakage protection control signal input terminal, and the brake signal control terminal, the forward and reverse rotation control signal input terminal, the limit control signal input terminal and the wire breakage protection control signal input terminal are all connected with a control switch. Further, the MCU controller is connected with a detection module, and the detection module comprises a phase detection module, a balance detection module and a current detection module. Further, the MCU controller is connected with a detection module, and the detection module comprises a phase detection module, a balance detection module and a current detection module. Compared with the prior art, the utility model has the beneficial effects that: The utility model combines the phase-change circuit with the silicon controlled module, supports the forward and reverse rotation control of the motor, reduces the mechanical abrasion and the failure rate, and realizes the high reliability, the flexibility and the energy efficiency improvement of the motor control system. According to the utility model, soft start of the motor load is realized through the silicon controlled module, the input current is gradually increased, the large current impact during direct start is avoided, the instantaneous stress on the motor, the power supply