Electric tool and method for controlling startup thereof
AssigneeNanjing Chervon Industry Co., Ltd.
InventorsJifeng Feng, Jian Zhang
Life of this patent
Estimating the term…
Abstract
An electric tool includes a drive structure, a motor, a driver circuit, and a controller. The controller is configured to output a first control signal to control the motor to drive the drive structure to operate in a first operation mode for a preset period of time in response to receiving a start instruction. After the preset period of time, the controller will output a second control signal to control the motor to drive the drive structure to operate in a second operation mode to a preset state. The first operation mode and the second operation mode are two opposite operation modes.
Claims14
A chain saw, comprising:
- an output assembly comprising a chain and a guide plate;
- a transmission mechanism comprising a drive structure for outputting a driving force;
- a motor configured to rotate to drive the drive structure to operate;
- a driver circuit electrically connected to the motor to enable the motor to rotate;
- and
- a controller electrically connected to the driver circuit;
- wherein the controller is configured to respond to receiving a start instruction by outputting a first control signal to control the motor to drive the drive structure to operate in a first operation mode for a preset period of time;
- and
- after the preset period of time, output a second control signal to control the motor to drive the drive structure to operate in a second operation mode to a preset state;
- wherein the first operation mode and the second operation mode are two opposite operation modes.
A method for controlling startup of an electric tool, comprising:
- outputting, by a controller, a first control signal to control a motor to drive a drive structure in the electric tool to operate in a first operation mode for a preset period of time in response to receiving a start instruction;
- and
- after the preset period of time, outputting, by the controller, a second control signal to control the motor to drive the drive structure to operate in a second operation mode to a preset state;
- wherein the first operation mode and the second operation mode are two opposite operation modes.
An electric tool, comprising:
- a transmission mechanism comprising a drive structure for outputting a driving force;
- a motor configured to rotate to drive the drive structure to operate;
- a driver circuit electrically connected to the motor to enable the motor to rotate;
- and
- a controller electrically connected to the driver circuit;
- wherein the controller is configured to respond to receiving a start instruction by outputting a first control signal to control the motor to drive the drive structure to operate in a first operation mode for a preset period of time;
- and
- after the preset period of time, output a second control signal to control the motor to drive the drive structure to operate in a second operation mode to a preset state;
- wherein the first operation mode and the second operation mode are two opposite operation modes.
Dependencies are inferred from the claim text.