TWI775452B - Electric screwdriver device and control method thereof - Google Patents

Abstract

An electric screwdriver control method comprises an electric screwdriver device. After a processing module of the electric screwdriver device reads a setting data, the processing module controls a motor module to accelerate a rotational speed value to a target rotational speed; When the number exceeds a first number of turns, the processing module controls the motor module to decelerate to a first rotational speed; when a torque value exceeds a first torque value, the processing module determines to lock and pay a The screw is hard-bonded or soft-bonded; if it is hard-bonded, rotate the screw for a hard-bonding angle and then stop locking; if it is soft-bonding, rotate the screw for a soft-bonding angle and stop locking; the processing mold The group controls the way of locking the screw according to the setting data, the torque value and the rotational speed value, so as to lock the screw more accurately and improve the quality of the locking.

Description

Electric screwdriver device and control method thereof

An electric screwdriver, especially an electric screwdriver device and a control method thereof.

Most items on the market will use screws to fix the structure, and most people will consider using electric screwdrivers to assist in locking screws when locking screws. With the advancement of science and technology, more and more precision instruments need to accurately control the strength and time of the locking screw, so as to accurately grasp the quality of the locking screw and improve the overall precision of the precision instrument.

However, the control of operation and torque generation of most electric screwdrivers today is not precise enough. In detail, most electric screwdrivers are controlled by the user pressing a start button to control the rotation speed and generate a fixed torque value, and lock the screw until it is completely Stop when the output torque is exceeded, which is commonly known as stop when locked. This locking method may damage the threads of the screw and the screw hole if the threads are not completely aligned, which will further cause slippage, and it may also be due to the quality of the screw, which cannot be guaranteed when the screw is locked. Consistent lock-up quality.

In addition, when the user presses to control the rotation speed of most electric screwdrivers, it is impossible to precisely control the rotation speed, and when the screw is about to be locked and needs to slowly control the rotation speed and rotation angle, most electric screwdrivers cannot perform precise movements.

For example, a valve may have 30 screws distributed in a circle and equally spaced around the edge of the valve to be locked to prevent the leakage of a high-pressure fluid. If these 30 screws cannot be rotated with the proper and equal force. If the angle lock is used, it is likely that the quality of the lock will be different, which will cause the valve to have different engagement, so that the valve cannot prevent the leakage of the high-pressure fluid. In this example, 30 screws start with a fixed torque It is too labor-intensive to manually lock the screw, and most of the electric screwdrivers cannot perform accurate locking action, which may cause the above-mentioned problems of damage to the thread, sliding teeth and different quality of the locked state during locking.

In view of the above problems, the present invention provides an electric screwdriver device and a control method thereof, which can precisely control the force and rotation speed of the locking screw to ensure consistent locking quality of the screw.

An electric screwdriver device of the present invention includes an electric screwdriver and a controller. The electric screwdriver is electrically connected to the controller, and the controller controls the operation of the electric screwdriver.

The electric screwdriver further includes a screw casing, a rotating shaft, a start switch, a motor module and a sensing module. The screwdriver housing includes a hole, the rotating shaft is disposed in the screwdriver housing, and the rotation shaft passes through the hole. The start switch is arranged on the screwdriver casing. The motor module is arranged in the screwdriver housing, and the motor module drives the rotation shaft to rotate, and the sensing module is arranged in the screwdriver housing to sense a rotation time, a rotational speed and a torque of the rotation shaft , and the sensing module correspondingly generates a rotation time signal, a rotation speed signal and a torque signal.

The controller further includes a controller shell, a processing module and a memory module. The processing module is disposed in the controller casing, and the processing module is electrically connected to the motor module and the sensing module of the electric screwdriver. Wherein, the processing module receives the rotation time signal, the rotational speed signal and the torque signal generated from the sensing module, and the processing module calculates a torque value according to the torque signal, and the processing module calculates a torque value according to the rotation The time signal and the rotation speed signal calculate the rotation time, a rotation speed value and a rotation number. The memory module is arranged in the controller shell and is electrically connected to the processing module, and the memory module stores a setting data.

Wherein, the processing module is electrically connected to the activation switch, and when the processing module detects the activation switch and generates an activation signal, the processing module controls the rotating shaft to lock and pay according to the setting data in the memory module one screw.

In addition, the processing module controls the motor module to accelerate to a target rotational speed after reading the setting data, and when the number of revolutions exceeds a first number of revolutions of the setting data, the processing module controls the motor module Decelerate to a first speed. When the torque value exceeds a first torque value of the setting data, the processing module determines whether the screw is hard-bonded or soft-bonded according to the setting data. If it is a hard joint, the processing module controls the motor module to rotate the screw to a hard joint angle and then stops locking, and if it is a soft joint, the processing module controls the motor module to rotate the screw to a soft joint. Stop locking after the angle is combined.

An electric screwdriver control method of the present invention is executed by a processing module of a controller of an electric screwdriver device, and includes the following steps:

In step S1, a setting data is read from a memory module.

Step S2, controlling a rotational speed of a motor module of an electric screwdriver of the electric screwdriver device to accelerate to a target rotational speed according to a target rotational speed signal in the setting data.

In step S3, a rotation number is calculated according to a rotation time signal and a rotation speed signal from the sensing module, and it is determined whether the rotation number exceeds a first rotation number in the setting data.

Step S4, when the rotation number exceeds the first rotation number, control the rotation speed of the motor module to decelerate to a first rotation speed according to a first rotation speed signal in the setting data; wherein the first rotation speed is lower than the first rotation speed target speed.

Step S5, according to a torque value from the sensing module, determine whether the torque value exceeds a first torque value in the setting data.

In step S6, when the torque value exceeds the first torque value, it is determined whether a locked screw is hard or soft-bonded according to the setting data.

Step S7, when locking the screw is a hard joint, control the motor module of the electric screwdriver of the electric screwdriver device to rotate the hard joint angle according to a hard joint angle in the setting data, and stop locking the screw .

In step S8, when the screw is locked with a soft joint, control the motor module of the electric screwdriver of the electric screwdriver device to rotate the soft joint angle according to a soft joint angle in the setting data, and then stop locking the screw. ; wherein the soft joint angle is greater than the hard joint angle.

The processing module of the present invention can control the rotation of the rotating shaft to rotate according to the target rotational speed signal, the first number of turns, the first rotational speed signal, the first torque value and the hard or soft combination information in the setting data. Tighten the screw. The processing module further precisely controls the process of locking the screw according to the torque value, the rotation time, the number of rotations and the rotational speed value of the screw, so as to digitally improve the screw locking process and strengthen the lock Pay the quality management of screws.

1: Electric screwdriver

2: Controller

10: screwdriver shell

11: The entrance of the hole

12: Rotary shaft

13: Start switch

14: Wire

20: Controller shell

40: Select button

100: Motor module

200: Sensing module

300: Processing Modules

310: Abnormal Condition Unit

320: Maintenance schedule unit

330: Error Tolerance Unit

400: Memory Module

500: Display Module

510: Torque value screen

520: Setting Screen

530: Status light

600: Data Module

S1~S55: Steps

FIG. 1 is an external view of a preferred embodiment of an electric screwdriver device of the present invention.

FIG. 2 is a system block diagram of the preferred embodiment of the electric screwdriver device of the present invention.

FIG. 3 is a flowchart of an embodiment of an electric screwdriver control method of the present invention.

FIG. 4 is a flow chart of a preferred embodiment of the electric screwdriver control method of the present invention.

The present invention relates to an electric screwdriver device and a control method thereof.

Please refer to FIG. 1 , an electric screwdriver device of the present invention includes an electric screwdriver 1 and a controller 2 . The electric screwdriver 1 is electrically connected to the controller 2 , and the controller 2 controls the operation of the electric screwdriver 1 . In a preferred embodiment of the electric screwdriver device of the present invention in FIG. 1 , the electric screwdriver 1 is connected to the controller 2 through a wire 14 .

Please refer to FIG. 2 , the electric screwdriver 1 further includes a screw casing 10 , a rotating shaft 12 , a start switch 13 , a motor module 100 and a sensing module 200 . The screwdriver housing 10 includes a hole 11 , the rotation shaft 12 is disposed in the screwdriver housing 10 , and the rotation shaft 12 passes through the hole 11 .

The motor module 100 is arranged in the screwdriver housing 10 , and the motor module 100 drives the rotation shaft 12 to rotate, and the sensing module 200 is arranged in the screwdriver housing 10 to sense a rotation of the rotation shaft 12 time, a rotation speed and a torque, and the sensing module 200 generates a rotation time signal, a rotation speed signal and a torque signal respectively corresponding to the rotation time, the rotation speed and the torque.

The controller 2 further includes a controller casing 20 , a processing module 300 and a memory module 400 . The processing module 300 is disposed in the controller casing 20 . The processing module 300 is electrically connected to the motor module 100 of the electric screwdriver 1 and the sensing module 200 , and the processing module 300 receives the rotation time signal, the rotational speed signal and the torque signal. The processing module 300 calculates a torque value according to the torque signal, and the processing module 300 calculates a rotation speed value, a rotation time and a rotation number according to the rotation time signal and the rotation speed signal. The rotational speed value is the value for measuring the rotational speed, and the torque value is the value for measuring the torque.

The memory module 400 is disposed in the controller housing 20 and is electrically connected to the processing module 300 . The memory module 400 stores a setting data, and the setting data includes a stroke data for locking a screw. Specifically, the travel data of the setting data is the basis for how the processing module 300 of the controller 2 controls the motor module 100 to drive the rotating shaft 12 to rotate. The travel data includes a target rotational speed signal, a first lap number, a first rotational speed signal, a first torque value, and information on whether the combination is hard or soft. This information will be discussed later in the specification.

The start switch 13 is disposed on the screwdriver housing 10 and is electrically connected to the processing module 300 . When the activation switch 13 is pressed by an external force, the activation switch 13 generates an activation signal, and when the processing module 300 detects that the activation switch 13 generates the activation signal, the processing module 300 generates the activation signal according to the memory module 400 The setting data in control the rotating shaft 12 to lock the screw.

After the processing module 300 reads the setting data, the processing module 300 controls the motor module 100 to accelerate to a target speed, and when the number of revolutions exceeds a first number of revolutions of the setting data, the processing module The group 300 controls the motor module 100 to decelerate to a first rotational speed. When the torque value exceeds the set value When a first torque value of the material is detected, the processing module 300 determines whether the screw is hard-bonded or soft-bonded according to the setting data. If it is a hard joint, the processing module 300 controls the motor module 100 to rotate the screw by a hard joint angle and then stops locking, and if it is a soft joint, the processing module 300 controls the motor module 100 to rotate again The screw stops locking after a soft joint angle.

The so-called hard joint and soft joint describe when the screw is locked to the end, that is, the so-called when the torque value exceeds the first torque value of the setting data, how much more angle the screw needs to be turned to make the screw It can be more closely combined with a surface of the lock. When the screw is locked to the end, the reaction force of the screw against locking the screw will increase, that is, the torque will increase and exceed the first torque value of the setting data. The angle that the screw needs to be rotated further refers to the angle by which the rotating shaft 12 is rotated. Hard joint means that when the torque value exceeds the first torque value of the setting data, the screw needs to continue to rotate less than one turn, and soft joint means that when the torque value exceeds the first torque value of the setting data value, the screw needs to be turned continuously for more than one turn. In this preferred embodiment, the hard joint angle is smaller than the soft joint angle.

In the preferred embodiment of the present invention, the hard joint angle is about 30 degrees, and the soft joint angle is about 720 degrees. lock up.

In addition, in the preferred embodiment of the present invention, the controller 2 further includes a display module 500 . The display module 500 is disposed in the controller casing 20 and is electrically connected to the processing module 300 and is responsible for displaying the setting data and the rotational speed value, the torque value, the rotation time and the number of rotations of the processing module 300 equivalent value.

As shown in FIG. 1 , in the preferred embodiment of the present invention, the display module 500 includes a torque value screen 510 , a setting screen 520 and a plurality of status lights 530 . The torque value screen 510 is only responsible for displaying the torque value, because the real-time change of the torque value when the screw is locked is very important, so the torque value screen 510 in the display module 500 is exclusively responsible for displaying the torque value. The status lights 530 are arranged on both sides of the torque value screen 510 , and the status lights 530 are responsible for displaying the real-time status of the screw, such as the rotating shaft 12 Real-time information such as whether it rotates, whether the torque value exceeds the range that the motor module 100 can handle, and the like. The setting screen 520 is responsible for displaying the setting data, and the setting screen 520 cooperates with the plurality of selection buttons 40 on the controller housing 20 in the preferred embodiment to receive the setting data. The selection buttons 40 are electrically connected to the processing module 300 , and the selection buttons 40 enable the setting data displayed in the setting screen 520 to be selected and changed.

In the preferred embodiment of the present invention, the controller 2 further includes a data module 600 . The data module 600 is disposed in the driver housing 10 and is electrically connected to the sensing module 200 and the processing module 300 . The data module 600 receives the rotation time signal, the rotation speed signal and the torque signal of the sensing module 200, and the data module 600 digitizes the rotation time signal, the torque signal and the rotation speed signal respectively, and The data module 600 outputs the digitized rotation time signal, the torque signal and the rotation speed signal to the processing module 300, so as to reduce the burden of the processing module 300 in processing the torque signal and the rotation speed signal.

In the preferred embodiment of the present invention, the motor module 100 is a brushless DC motor (Brushless Direct Current Motor; BLDC Motor), and the sensing module 200 includes a timer and a Hall effect sensor (Hall-effect sensor) and a strain sensor. The timer records the rotation time of the rotating shaft 12 and generates the rotation time signal. The strain force sensor is used to sense the torsion force locking the screw and generate the torsion force signal. The Hall effect sensor uses to sense the rotational speed of the locking screw and generate the rotational speed signal. In addition, in the preferred embodiment of the present invention, the data module 600 and the sensing module 200 are a Torque Measuring Device (TMD).

In addition, in the preferred embodiment of the present invention, the processing module 300 further includes an abnormal condition unit 310 , a maintenance schedule unit 320 and an error tolerance unit 330 .

The abnormal condition unit 310 is responsible for sensing an abnormal condition of locking the screw in the processing module 300, and when the abnormal condition occurs, generates an abnormal message and notifies the processing module 300 to make the display module 500 The abnormal message is displayed, and the rotating shaft 12 is stopped immediately. In detail, when the When the processing module 300 locks the screw, the abnormal condition unit 310 of the processing module 300 senses the abnormal condition in the following situations:

Condition 1: When the abnormal condition unit 310 determines that the number of rotations does not exceed the first number of turns of the setting data, and the torque value exceeds a second torque value of the setting data, the abnormal condition unit 310 generates the abnormality message, and the abnormal message is displayed through the display module 500, and the rotation of the rotating shaft 12 is stopped.

Condition 2: When the processing module 300 controls the motor module 100 to decelerate to the first rotational speed, and when the abnormal state unit 310 determines that the torque value exceeds the second torque value, the abnormal state unit 310 generates the abnormality message, and the abnormal message is displayed through the display module 500, and the rotation of the rotating shaft 12 is stopped.

Condition 3: When the abnormal state unit 310 determines that the torque value does not exceed the first torque value of the setting data, and the rotation time exceeds a first time period of the setting data, the abnormal state unit 310 generates the abnormal message, The abnormal message is displayed through the display module 500 and the rotation of the rotating shaft 12 is stopped.

Condition 4: When the abnormal state unit 310 determines that the torque value does not exceed the first torque value of the setting data, and the number of rotations exceeds a second number of turns of the setting data, the abnormal state unit 310 generates the abnormality message, and the abnormal message is displayed through the display module 500, and the rotation of the rotating shaft 12 is stopped.

The above situation 1 and situation 2 are situations in which the screw is locked when the screw is locked. The locked state means that when the screw is skewed, the lock is stuck and unable to move due to misalignment with a thread of a screw hole. The above-mentioned situation 3 and situation 4 are the situation of a slippery tooth when the screw is locked. The condition of the slippery thread refers to when the thread of the screw cannot be combined with the thread of the screw hole and rotates idly in the screw hole. When the above conditions 1 to 4 are encountered, the abnormal condition unit 310 senses the abnormal condition and displays the abnormal information through the display module 500 . The purpose of displaying this abnormal message is to indicate that the lock and payment process cannot be performed under these conditions. Continuing to lock in the locked state will cause damage to the thread, while continuing to lock in the slippery state will cause the screw to continue idling. In the preferred embodiment of the present invention, the abnormal message is correspondingly displayed through the status lights 530 of the display module 500 .

In the preferred embodiment of the present invention, the error tolerance unit 330 in the processing module 300 is responsible for counting the number of the abnormal information once, that is, when any of the above-mentioned abnormal conditions occurs in the locking screw, the error tolerance The unit 300 increases the number of the abnormal message, and when the number of the abnormal message exceeds an error upper limit of the set data, the error tolerance unit 330 stops the electric screwdriver 1 from locking the screw. In other words, when the abnormal condition occurs but the number of times of the abnormal message does not exceed the error upper limit, the present invention can also tolerate the action of locking the screw again, that is, loosening the start switch 13 and pressing the start switch again 13Retry to lock the screw. When the error tolerance unit 330 stops the electric screwdriver 1 from locking the screw when the number of the abnormal message exceeds the error upper limit, even if the start switch 13 is released and the start switch 13 is pressed again, the screw cannot be locked again. Its significance is to protect the screw and the thread from damage, and to protect the quality of the screw.

The maintenance schedule unit 320 is provided with a date message and a maintenance date in the processing module 300 . When the maintenance schedule unit 320 determines that the date information is the maintenance date, the maintenance schedule unit 320 generates a reminder message, and displays the reminder message through the display module 500 to remind the user that maintenance should be started. In order to ensure that the present invention can be continuously maintained and maintained in a normal operating state. In the preferred embodiment of the present invention, the reminder message is correspondingly displayed through the status lights 530 of the display module 500 .

Please refer to FIG. 3 , an electric screwdriver control method of the present invention is executed by a processing module 300 of a controller 2 of an electric screwdriver device. The electric screwdriver control method includes the following steps:

In step S1 , a setting data is read from a memory module 400 .

In step S2, a rotational speed of a motor module 100 of an electric screwdriver 1 of the electric screwdriver device is controlled to accelerate to a target rotational speed according to a target rotational speed signal in the setting data.

Step S3 , according to a rotation time signal and a rotational speed signal from the sensing module 200 , calculate a number of rotations, and determine whether the number of rotations exceeds a first number of rotations in the setting data.

Step S4, when the number of revolutions exceeds the first number of revolutions, control the rotational speed of the motor module 100 to decelerate to a first rotational speed according to a first rotational speed signal in the setting data; wherein the first rotational speed is lower than the target speed.

Step S5, according to a torque value from the sensing module 200, determine whether the torque value exceeds a first torque value in the setting data.

In step S6, when the torque value exceeds the first torque value, it is determined whether a locked screw is hard or soft-bonded according to the setting data.

Step S7, when the screw is hard-bonded, the motor module 100 of the electric screwdriver 1 of the electric screwdriver device is controlled to rotate the hard-bond angle according to a hard-bonding angle in the setting data, and then the locking is stopped. the screw.

Step S8, when the locking screw is a soft joint, control the motor module 100 of the electric screwdriver 1 of the electric screwdriver device to rotate the soft joint angle according to a soft joint angle in the setting data, and then stop locking. The screw; wherein the soft joint angle is greater than the hard joint angle.

That is to say, the setting data of the memory module 400 includes the target rotational speed, the first lap number, the first rotational speed, the first torque value, and the information of a hard or soft combination. The information of whether the hard joint or the soft joint is included in the step S6, and the step S6 determines that if the screw is not hard jointed, it is a soft joint. After all, when the screw is locked, if it is not a hard joint that cannot be locked immediately when the torque value exceeds the first torque value, it is usually regarded as a soft joint that can be rotated to a relatively hard joint and multiple angles.

In an embodiment of the electric screwdriver control method of the present invention, the step S5 further includes: step S51, when the torque value does not exceed the first torque value, it is further determined whether the number of rotations exceeds a value in the setting data. second lap; Wherein, when the torque value does not exceed the first torque value and the number of rotations does not exceed the second number of rotations, step S5 is performed; in step S52, when the torque value does not exceed the first torque value and the number of rotations When the second number of turns is exceeded, stop locking the screw.

The above-mentioned steps S51 and S52 are to confirm whether the screw has a slippery condition, because after the slippery condition occurs, the screw will idle and the torque value will remain unchanged and the number of rotations will continue to increase. When encountering such an abnormal condition, the processing module 300 will stop locking the screw, waiting for a user to loosen the electric screwdriver 1 and a start switch 13 on the sub-casing 10 to confirm the abnormal condition, and until the abnormal condition is reached After exclusion and confirmation, when the user presses the activation switch 13 again, the processing module 300 receives an activation signal from the activation switch 13 again and restarts the locking of the screw.

In addition, in this embodiment, step S3 further includes: step S31, when the number of rotations does not exceed the first number of rotations, further judging whether the torque value exceeds a second torque value in the setting data ; wherein, the second torque value is greater than the first torque value; wherein, when the number of rotations does not exceed the first number of turns and the torque value does not exceed the second torque value, execute S3; Step S32, when the When the number of rotations does not exceed the first number of turns and the torque value exceeds the second torque value, stop locking the screw.

The above-mentioned steps S31 and S32 are to confirm whether the screw is in a locked state, because after the locked state occurs, the screw will suddenly become stuck and the torque value will suddenly increase. When encountering the abnormal condition, the processing module 300 will also stop locking the screw to protect the screw from being damaged.

Please refer to FIG. 4 , in a preferred embodiment of the electric screwdriver control method of the present invention, step S5 further includes: Step S51', when the torque value does not exceed the first torque value, further calculate a rotation time according to the rotation time signal from the sensing module, and determine whether the rotation time exceeds a value in the setting data. The first time; wherein, when the torque value does not exceed the first torque value and the rotation time does not exceed the first time, step S5 is performed; Step S52', when the torque value does not exceed the first torque value and the When the rotation time exceeds the first time, stop locking the screw.

The above-mentioned step S51' and this step S52' are also to confirm whether the screw has the slippery condition, because after the slippery condition occurs, the screw will cause the passage of time due to idling. When the abnormal condition is encountered, the processing module 300 will stop locking the screw to stop the screw from idling and wasting time.

In addition, in this preferred embodiment, step S5 further includes: step S54, when the torque value exceeds the first torque value, further judging whether the torque value exceeds a second torque value in the setting data ; wherein, when the torque value exceeds the first torque value and the torque value does not exceed the second torque value, execute S6; Step S55, when the torque value exceeds the first torque value and the torque value exceeds the second torque value When the torque value is reached, stop locking the screw.

The above-mentioned steps S54 and S55 are also to confirm whether the screw is locked, because even if a rotational speed value for locking the screw is the slower first rotational speed rather than the faster target rotational speed, the torque The value may still be locked because the screw is skewed and locked at any time. Sometimes the deadlock is caused by damage to a thread of the screw, and the damaged place of the thread is random, so the deadlock may not occur until the end of the quick lock.

The electric screwdriver device of the present invention can digitize each step of locking the screw and present the stroke data of the setting data, and the processing module 300 of the electric screwdriver device of the present invention uses the setting data as a plurality of strokes Based on the execution of the screw, improve the process of locking and paying the screw. In the electric screwdriver control method of the present invention, the processing module 300 controls the electric screwdriver device to accurately lock the screw according to the setting data through the above steps, so that managing the setting data can enhance the quality of locking the screw manage.

1: Electric screwdriver

2: Controller

10: screwdriver shell

11: The entrance of the hole

12: Rotary shaft

13: Start switch

14: Wire

20: Controller shell

40: Select button

500: Display Module

510: Torque value screen

520: Setting Screen

530: Status light

Claims (9)

An electric screwdriver device, comprising: an electric screwdriver, comprising: a screwdriver casing including a hole; a rotating shaft arranged in the screwdriver casing and passing through the hole; a motor module set in the screwdriver casing, And the motor module drives the rotation shaft to rotate; a sensing module is arranged in the screwdriver casing to sense a rotation time, a rotation speed and a torque of the rotation shaft, and correspondingly generate a rotation time signal and a rotation speed signal and a torque signal; a start switch arranged on the shell of the screwdriver; a controller electrically connected to the electric screwdriver, and comprising: a shell of the controller; a processing module arranged in the shell of the controller and electrically connected The motor module and the sensing module of the electric screwdriver; wherein the processing module receives the rotation time signal, the rotational speed signal and the torque signal generated from the sensing module; wherein the processing module is based on the torque The signal calculates a torque value, and the processing module calculates the rotation time, a rotation speed value and a number of rotations according to the rotation time signal and the rotation speed signal; a memory module is arranged in the controller shell to electrically connect the processing module, and the memory module stores a setting data; wherein, the processing module is electrically connected to the start switch, and when the processing module detects the start switch to generate a start signal, the processing module according to the memory The setting data in the module controls the rotating shaft to lock a screw; wherein, the processing module controls the motor module to accelerate to a target speed after reading the setting data, and when the number of rotations exceeds the setting data At a first number of turns, the processing module controls the motor module to decelerate to a first rotational speed; when the torque value exceeds a first torque value of the setting data, the processing module root According to the setting data, it is determined whether the screw is hard-bonded or soft-bonded; if it is hard-bonded, the processing module controls the motor module to rotate the screw by a hard-bonding angle and then stops locking, and if it is a soft-bonding , then the processing module controls the motor module to rotate the screw to a soft combination angle and then stops locking; wherein the processing module further includes: an abnormal condition unit; wherein, when the abnormal condition unit determines that the number of rotations is not When the first number of turns of the setting data is exceeded, and the torque value exceeds a second torque value of the setting data, the abnormal condition unit generates an abnormal message and stops the rotation of the rotating shaft; wherein, when the processing mode When the group controls the motor module to decelerate to the first rotational speed, the abnormal condition unit determines whether the torque value exceeds the second torque value of the setting data, and when the abnormal condition unit determines that the torque value exceeds the second torque value value, the abnormal condition unit generates the abnormal message and stops the rotation of the rotating shaft; wherein, when the abnormal condition unit determines that the torque value does not exceed the first torque value of the setting data, and the rotation time exceeds the setting data At a first time of , the abnormal condition unit generates the abnormal message and stops the rotation of the rotating shaft; and wherein, when the abnormal condition unit determines that the torque value does not exceed the first torque value of the setting data, and the rotation When the number of turns exceeds a second number of turns in the setting data, the abnormal condition unit generates the abnormal message and stops the rotation of the rotating shaft. The electric screwdriver device according to claim 1, wherein the controller further comprises: a display module, disposed in the controller shell and electrically connected to the processing module, and displaying the setting data and the calculation result of the processing module The torque value, the rotation time, the rotational speed value and the number of rotations; wherein, when the abnormal condition unit generates the abnormal message, the display module displays the abnormal message. The electric screwdriver device according to claim 1, wherein the controller further comprises: a display module disposed in the controller casing and electrically connected to the processing module; The processing module further includes: a maintenance schedule unit, which is provided with a date message and a maintenance date; wherein when the maintenance schedule unit determines that the date information is the maintenance date, the maintenance schedule unit generates a reminder message, and displayed by the display module. The electric screwdriver device according to claim 1, wherein the processing module further comprises: an error tolerance unit for calculating the number of times of the abnormal message; when the number of times of the abnormal message exceeds an upper error limit of the set data, the The error tolerance unit stops the electric driver from locking the screw. The electric screwdriver device according to claim 1, wherein the electric screwdriver further comprises: a data module disposed in the screwdriver housing, and the data module is electrically connected to the sensing module and the processing module; wherein , the data module receives the rotation time signal, the rotation speed signal and the torque signal of the sensing module, and digitizes the rotation time signal, the torque signal and the rotation speed signal, and digitizes the rotation time The signal, the torque signal and the rotational speed signal are output to the processing module. An electric screwdriver control method, which is executed by a processing module of a controller of an electric screwdriver device, includes the following steps: step S1, reading a setting data from a memory module; step S2, according to the setting data A target rotation speed signal of the electric screwdriver device controls a rotation speed of a motor module of an electric screwdriver of the electric screwdriver device to accelerate to a target rotation speed; step S3, according to a rotation time signal and a rotation speed signal from the sensing module, calculate a Rotate the number of revolutions, and determine whether the number of revolutions exceeds a first number of revolutions in the setting data; Step S4, when the number of revolutions exceeds the first number of revolutions, according to a first rotational speed signal in the setting data controlling the rotational speed of the motor module to decelerate to a first rotational speed; wherein the first rotational speed is lower than the target rotational speed; Step S5, according to a torque value from the sensing module, determine whether the torque value exceeds a first torque value in the setting data; Step S6, when the torque value exceeds the first torque value, according to the setting The data determines whether a screw to be locked is a hard combination or a soft combination; step S7, when the screw is hard combined, the motor mode of the electric screwdriver of the electric screwdriver device is controlled according to a hard combination angle in the setting data. After the group rotates the hard joint angle again, stop locking the screw; step S8, when the screw is soft joint, control the motor of the electric screwdriver of the electric screwdriver device according to a soft joint angle in the setting data After the module rotates the soft joint angle again, stop locking the screw; wherein the soft joint angle is greater than the hard joint angle; wherein step S3 further includes: step S31, when the number of rotations does not exceed the first number of circles When , it is further judged whether the torque value exceeds a second torque value in the setting data; wherein, the second torque value is greater than the first torque value; wherein, when the number of rotations does not exceed the first number of rotations and When the torque value does not exceed the second torque value, step S3 is performed; in step S32, when the number of rotations does not exceed the first number of rotations and the torque value exceeds the second torque value, stop locking the screw. The electric screwdriver control method according to claim 6, wherein step S5 further comprises: step S51, when the torque value does not exceed the first torque value, further judging whether the number of rotations exceeds the setting data a second number of turns; wherein, when the torque value does not exceed the first torque value and the number of rotations does not exceed the second number of turns, step S5 is performed; Step S52, when the torque value does not exceed the first torque value and the number of rotations exceeds the second number of rotations, stop locking the screw. The electric screwdriver control method according to claim 6, wherein step S5 further comprises: step S51 ′, when the torque value does not exceed the first torque value, further according to the rotation time from the sensing module signal, calculate a rotation time, and determine whether the rotation time exceeds a first time in the setting data; wherein, when the torque value does not exceed the first torque value and the rotation time does not exceed the first time, execute Step S5; Step S52', when the torque value does not exceed the first torque value and the rotation time exceeds the first time, stop locking the screw. The electric screwdriver control method as claimed in claim 6, further comprising: step S54, when the torque value exceeds the first torque value, further judging whether the torque value exceeds a first torque value in the setting data Two torque values; wherein, the second torque value is greater than the first torque value; wherein, when the torque value exceeds the first torque value and the torque value does not exceed the second torque value, execute step S6; step S55, When the torque value exceeds the first torque value and the torque value exceeds the second torque value, stop locking the screw.

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