TWI732586B - Detection device of electrical tools - Google Patents

Abstract

A detection device of an electric tool includes a detection module, a microprocessor and a display unit, and the detection module is connected to the electric tool. The microprocessor is electrically connected to the detection module. The display unit is electrically connected to the microprocessor. The detection module detects the current, the number of surges, the operation position and the operation angle of the power tool, and displays it on the display unit. According to the invention, the number of locks of the screw can be known by the number of surges generated. The user or supervisor can learn from the display or the current of the power tool, the number of surges generated by the power of the power tool, and The output position and the inclination angle, thereby avoiding the situation of missing the screw and the unstable locking screw.

Description

Detection device for electric tools

The present invention relates to the technical field of an electric tool, in particular to a detection device for an electric tool.

Generally speaking, when assembling machinery, operators often need to use power tools to lock screws. However, in the process of screwing the screws, it is possible that the screw is not locked due to the negligence of the operator, or the screw is not securely locked because the operator accidentally tilts the power tool.

Moreover, operators often need to use power tools to work at a specific angle. For example, when using an electric screwdriver to assemble a screw, it is often encountered that the screw is locked into the product at a non-horizontal angle, or the operator often needs to use an electric drill to drill a hole at a specific angle in the object. In this case, the operator must manually control the angle of the electric tool, which is not only difficult to operate, but also the improper angle of the electric tool can easily cause damage to the product.

The object of the present invention is to provide a detecting device for an electric tool, which can count the number of screws that the electric tool has been screwed, and detect the operating position and angle of the electric tool.

In order to achieve the above-mentioned objects and effects, the present invention discloses a detecting device for an electric tool, which is used to detect the operating position and operating angle of an electric tool, which includes a detecting module, a microprocessor, and a display unit. The detection module is connected to the power tool. The detection module includes a sensing unit, a position detection unit, and an angle detection unit. The sensing unit is used to detect the driving current of the power tool. And the number of surges generated by the driving current of the electric tool, the position detecting unit and the angle detecting unit are connected to the electric tool and used for detecting the operating position and the operating angle of the electric tool. The microprocessor is electrically connected to the detection module, and the microprocessor is used to process and calculate the current, the number of surges, the operating position and the operating angle detected by the detection module, and generate processing and calculation result. The display unit is electrically connected to the microprocessor, and the display unit is used to display the results of the processing and calculation of the microprocessor.

In one embodiment, the microprocessor has a counting unit, the electric tool drives a locking element to reach a predetermined torque resistance, the driving current of the electric tool can generate a surge, and the counting unit is electrical The sensing unit is connected and the number of generations of the surge is counted, and the number of generations of the surge can be displayed on the display unit.

In one embodiment, the position detecting unit is a gravity sensor, and the gravity sensor is used to detect the operating coordinates of the operating position of the power tool each time the power tool is tightened or loosened. The microprocessor receives and records each of the operation coordinates and calculates to generate an operation track.

In one embodiment, the angle detecting unit is a gyroscope, and the gyroscope is used to detect the tilt angle of the electric tool during operation.

In one embodiment, it further includes a warning unit electrically connected to the microprocessor. If the result of the processing and calculation generated by the microprocessor is abnormal, the warning unit is activated.

In one embodiment, a wireless transceiver unit is further included, and the wireless transceiver unit is electrically connected to the microprocessor.

In one embodiment, an application program is further included for downloading and installing on a handheld device. The handheld device receives the current from the wireless transceiver unit corresponding to the current processed by the microprocessor, the number of surges, the operating position, and the operation The result of the angle is displayed on the handheld device through the application.

In accordance with the objectives and effects of the present invention, the following is a detailed description of preferred embodiments with the drawings.

10: Power tools

11: body

12: Start button

14: Motor

15: Power installation

16: screwdriver head

18: output

20: Detection module

22: Sensing unit

23: Position detection unit

24: Angle detection unit

26: Microprocessor

28: Counting unit

30: Warning unit

40: display unit

50: Locking components

60: wireless transceiver unit

62: Application

64: Handheld device

Figure 1 is a schematic diagram of a power tool.

Figure 2 is a schematic diagram of the present invention.

Figure 3 is the first state of use of the present invention.

Figure 4 is Figure 2 of the state of use of the present invention.

Figure 5 is Figure 3 of the state of use of the present invention.

Please refer to Figure 1, which shows an electric tool 10. The electric tool 10 has a body 11, a motor 14 and at least one gear set (not shown) are installed in the body 11, and the torque output by the motor 14 can be transmitted to the gear set. An output end 18 is located at one end of the body 11, and the output end 18 can be driven by the torque output by the gear set. A start button 12 is installed on the main body 11 and is electrically connected to a power device 15 which can be a commercial power supply or a battery. Secondly, the start button 12 is electrically connected to the motor 14. The output terminal 18 can be connected to a screwdriver head 16 according to different needs of the operator. when When power is input to the motor 14, the motor 14 drives the gear set and the output end 18 to rotate, so that the screwdriver bit 16 outputs a working torque.

Please refer to Figure 2, this embodiment further includes a detection module 20 connected to the electric tool 10, the detection module 20 includes a sensing unit 22, a position detection unit 23, and an angle detection unit 24 . The sensing unit 22 is electrically connected to the power device 15 of the power tool 10. The position detection unit 23 is connected to the motor 14 of the electric tool 10. In this embodiment, the position detection unit 23 is a gravity sensor. The angle detecting unit 24 is connected to the output terminal 18 of the electric tool 10. In this embodiment, the angle detecting unit 24 is a gyroscope.

This embodiment further includes a microprocessor 26 electrically connected to the detection module 20. Furthermore, the microprocessor 26 is electrically connected to the sensing unit 22, the position detecting unit 23 and the angle detecting unit 24. The microprocessor 26 has a counting unit 28 which is electrically connected to the sensing unit 22. Secondly, in other embodiments, the microprocessor 26 and the detection module 20 can be integrated into a circuit module.

This embodiment further includes a warning unit 30, such as a buzzer. The warning unit 30 is electrically connected to the microprocessor 26.

This embodiment further includes a display unit 40, such as a liquid crystal display. The display unit 40 is electrically connected to the microprocessor 26.

The sensing unit 22 of the detection module 20 is used to detect the driving current of the electric tool 10 and the number of surges generated by the driving current of the electric tool 10. The position detecting unit 23 is used to detect the operating coordinates of the operating position of the electric tool 10 each time the power tool 10 is tightened or loosened. The angle detecting unit 24 is used to detect the operating angle of the electric tool 10.

The microprocessor 26 is used to process and calculate the current, the number of surges, the operating position, and the operating angle detected by the detection module 20, and to generate processing and calculation results; further, the microprocessor 26 receives And record each of the operation coordinates of the electric tool 10 and calculate to generate an operation track. Secondly, the counting unit 28 of the microprocessor 26 is used to count the number of occurrences of the surge.

Please refer to FIGS. 2 and 3, for example, the electric tool 10 drives the screwdriver head 16 to lock a locking element 50 to a predetermined position. When the locking element 50 is in the locked state, the resistance generated by the screwdriver head 16 against the predetermined position will cause the driving current input to the electric tool 10 to generate a surge, and the electric tool 10 has The clutch mechanism (not shown) will make the torque output from the output end 18 unable to continue to rotate the screwdriver head 16 and the locking element 50.

When the locking element 50 cannot continue to rotate, the surge generated by the sensing unit 22 in the detection module 20 can be detected by the counting unit 28 of the microprocessor 26 to calculate and count the The number of surges is transmitted to the display 40 in real time. The number of the surge is the number of locking elements of the locking element 50 driven by the electric tool 10.

Since the output torque of the electric tool 10 is proportional to the current provided by the battery, if the current provided by the battery decreases, the output torque of the electric tool 10 also decreases.

It is worth noting that the sensing unit 22 detects the electric current of the electric tool 10 and transmits it to the display 40 via the microprocessor 26. When the electric current of the electric tool 10 is lower than a predetermined value, the warning unit 30 The user will be warned, and the user will be notified to replace the battery 15 of the electric tool 10, thereby avoiding insufficient output torque of the electric tool 10.

For another example, when an operator actually works, such as in a production line of an assembly machine, the position detection unit 23 can detect whether the sequence of the electric tool 10 driving the locking element 50 is correct. With In general, the position detection unit 23 can detect whether the sequence of the operator in locking the locking element 50 follows the bolt tightening principle. If the sequence of locking the locking element 50 is wrong, the warning unit 30 will act. , And then notify the user.

Please refer to Figures 2 and 4, when the user uses the electric tool 10 to drive the screwdriver head 16 to mistakenly lock the locking element 50 into a skewed state, it can be detected by the angle detection unit 24 and passed through the The microprocessor 26 transmits to the warning unit 30 to let the user know that the locking angle of the locking element 50 is abnormal.

Please refer to FIG. 5, the disclosed embodiment of the present invention further includes a wireless transceiver unit 60, an application program (App) 62 and a handheld device 64. The wireless transceiver unit 60 is electrically connected to the microprocessor 26. The application 62 is for downloading and installing on the handheld device 60. It is worth noting that the handheld device 64 is used to receive the results of the current, the number of surges, the operating position and the operating angle processed by the microprocessor 26 from the wireless transceiver unit 60, and display the results through the application 62 In the handheld device.

According to the description of this embodiment, in this embodiment, the number of locking elements 50 can be obtained by the number of surges, and the user or supervisor can obtain the number of screw locking from the display unit 40, thereby avoiding The condition of the locking element 50 is leaked.

Furthermore, the combination of the sensing unit 22, the position detecting unit 23, the angle detecting unit 24, the microprocessor 26, and the display unit 40 can display the driving current of the electric tool 10 at any time, and lock the The position of the locking element 50 is used to determine whether the position and angle of the locking element 50 were skewed in the last screw lock and the current of the electric tool 10 is insufficient to screw the locking element 50 to meet the needs of the user .

In addition, when the operator leaves the work position, the display unit 40 can know the location of the electric tool 10, thereby preventing the operator from forgetting the operation status of using the electric tool 10 to lock the locking element 50 previously.

The above are the preferred embodiments and design drawings of the present invention. However, the preferred embodiments and design drawings are only examples and are not used to limit the scope of rights of the technology of the present invention. All of them are equivalent technical means or the following The implementation of the scope of rights covered by the content of the "Scope of Patent Application" does not depart from the scope of the present invention but is the scope of the applicant's rights.

15: Power installation

18: output

20: Detection module

22: Sensing unit

23: Position detection unit

24: Angle detection unit

26: Microprocessor

28: Counting unit

30: Warning unit

40: display unit

Claims (6)

A detection device for an electric tool is used to detect the operating position and operating angle of an electric tool, which comprises: a detection module connected to the electric tool, the detection module including a sensing unit, A position detection unit and an angle detection unit, the sensing unit is used to detect the driving current of the electric tool and the number of surges generated by the driving current of the electric tool, the position detection unit and the angle detection The unit is connected to the electric tool and used to detect the operating position and angle of the electric tool; a microprocessor is electrically connected to the detection module, the microprocessor has a counting unit, and the electric tool drives a lock Assuming that the component reaches a predetermined torque resistance, the driving current of the electric tool can generate a surge. The counting unit is electrically connected to the sensing unit and counts the number of generations of the surge; a display unit is electrical Connected to the microprocessor, the display unit is used to display the number of times of the surge of the microprocessor. The detection device for an electric tool according to claim 1, wherein the position detection unit is a gravity sensor, and the gravity sensor is used to detect every time the electric tool is tightened or loosened The microprocessor receives and records the operating coordinates of each operating position, and calculates and generates an operating track. The detecting device for an electric tool according to claim 1, wherein the angle detecting unit is a gyroscope, and the gyroscope is used to detect the inclination angle of the electric tool during operation. For example, the detection device for an electric tool according to claim 1, further includes a warning unit electrically connected to the microprocessor, and the warning unit is activated if the result of the processing and calculation generated by the microprocessor is abnormal. The detecting device for an electric tool according to claim 1, further comprising a wireless transceiver unit, and the wireless transceiver unit is electrically connected to the microprocessor. The detection device for an electric tool described in claim 5 further includes an application program for downloading and installing on a handheld device, the handheld device receiving the wireless transceiver unit and corresponding to the current processed by the microprocessor, The results of the number of surges, operating positions, and operating angles are displayed on the handheld device through the application.

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