Electric screwdriver

Abstract

The invention provides an electric screw driver which comprises an execution part, an electric screw driver, an electric screw driver, an electric screw driver, an electric screw driver, an electric screw driver, an electric screw driver, an electric screw driver and an electric screw driver, and is characterized in that the execution part comprises a driving handle and a tool bit; the control box comprises an input part, a control part and a data recording part, the control part is in signal connection with the input part, the driving handle and the data recording part, the control part controls the driving handle to work according to torque input parameters of the input part, and the data recording part records working parameters of the control part. Through the technical scheme provided by the invention, the problem of poor working effect of manually fastening the terminal in related technologies can be solved.

Description

Technical Field

[0001] The present invention relates to the technical field of power grid systems, and in particular to an electric screwdriver. Background Art

[0002] With the development of social economy and the improvement of people's living standards, the demand for electricity is also increasing. As an important infrastructure of the power grid system, substations play a vital role in the power grid system, so higher requirements are put forward for the safe and stable operation of substations. Substation terminal tightening work is a routine work of relay automation. In recent years, there are countless cases of protection failure or other accidents caused by loose terminals causing loose connection or falling of wire cores. If the terminals of important circuits such as current circuits and tripping circuits are loosely connected and hidden dangers are not discovered in time, it will lead to more serious accidents and losses. Therefore, the current work of tightening the terminals of important circuits in combination with power outages has become a work focus.

[0003] In the related art, the main method for tightening the terminals during acceptance and regular inspection is to use an ordinary screwdriver and rely on manpower to tighten the terminals one by one.

[0004] However, the number of terminal rows in a single protection screen or terminal box in a conventional substation is already quite large. The related technology relies on manual labor to tighten the terminals, which is time-consuming and labor-intensive, and may be limited by personnel arrangements or work hours during regular inspections, affecting work results. In addition, there are individual differences, and the terminals tightened manually may not be tightened enough or may be too tight and slip, which may leave other operational hazards or be unfavorable for subsequent maintenance. Summary of the invention

[0005] The invention provides an electric screwdriver to solve the problem that the working effect of fastening a terminal by manpower is poor in the related art.

[0006] The present invention provides an electric screwdriver, which comprises: an actuator, comprising a driving handle and a cutter head, wherein the cutter head is arranged at the head of the driving handle, and the driving handle is connected to the cutter head by driving; a control box, comprising an input component, a control component and a data recording component, wherein the control component is respectively connected to the input component, the driving handle and the data recording component by signals, the control component controls the driving handle to work according to the torque input parameters of the input component, and the data recording component records the working parameters of the driving handle.

[0007] Furthermore, the driving handle includes a gripping handle, a driving motor and a torque sensor. The driving motor is arranged in the gripping handle, the cutting head is arranged at the head of the gripping handle, the driving motor is connected to the cutting head driving, the torque sensor is arranged on the driving motor to detect the output torque of the driving motor, and the control component is respectively connected to the torque sensor and the driving motor signal. When the detection result of the torque sensor is equal to the torque input parameter, the control component controls the driving motor to cut off power.

[0008] Furthermore, the electric screwdriver also includes an alarm component, and the control component is connected to the alarm component signal. When the torque sensor detects that the output torque of the drive motor is less than the torque input parameter and the output torque of the drive motor stagnates and remains unchanged, the control component controls the alarm component to operate.

[0009] Furthermore, the alarm component includes a sound alarm arranged on the driving handle.

[0010] Furthermore, the control box includes a box body and an indicator light arranged on the box body, the input component is arranged on the box body, the control component and the data recording component are both arranged in the box body, the indicator light has a first working state and a second working state, when the detection result of the torque sensor is equal to the torque input parameter, the indicator light is in the first working state, when the torque sensor detects that the output torque of the drive motor is less than the torque input parameter, and the output torque of the drive motor stagnates and remains unchanged, the indicator light is in the second working state.

[0011] Furthermore, the driving handle includes an execution switch, the execution switch has a first contact and a second contact, the first contact is electrically connected to the control member, the second contact is electrically connected to the driving motor, the execution switch has an execution state and a non-execution state, when the execution switch is in the execution state, the first contact and the second contact are connected, when the execution switch is in the non-execution state, the first contact and the second contact are disconnected.

[0012] Furthermore, the electric screwdriver also includes a power supply unit, which includes an AC plug and an AC-DC converter, the AC plug is electrically connected to the AC port of the AC-DC converter, the control box also includes a power management unit, the DC plug of the AC-DC converter is electrically connected to the input end of the power management unit, and the output end of the power management unit is electrically connected to the input unit, the control unit, the data recording unit and the driving handle respectively.

[0013] Furthermore, the input component includes a touch screen, and the touch screen can display the control parameters of the control component and the recorded data of the data recording component.

[0014] Further, the cutter head is detachably arranged on the head of the driving handle.

[0015] Furthermore, the actuator also includes an observation light, which is arranged on the head of the driving handle.

[0016] By applying the technical solution of the present invention, the electric screwdriver includes an actuator and a control box. The staff inputs the torque input parameter of the input member by themselves, or selects a recorded data in the historical record of the data recording member as the torque input parameter of the input member. The control member controls the operation of the driving handle according to the torque input parameter of the input member, and the data recording member records the working parameters of the driving handle. On the one hand, the driving handle is used to drive the cutter head to rotate, so as to reduce the work intensity of the staff and improve the work efficiency. On the other hand, in the face of the huge terminal tightening work, if the staff encounters a terminal of the same category as the terminal tightened before, the staff can select a recorded data in the historical record of the data recording member as the torque input parameter of the input member, without having to adjust the test again to find a suitable torque as the torque input parameter, which greatly shortens the time-consuming terminal tightening work, and can standardize and unify the work quality, ensure that the terminal is tightened in place, and avoid duplication of work caused by individual differences of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0018] Figure 1 A schematic diagram of the structure of an electric screwdriver provided in an embodiment of the present invention is shown;

[0019] Figure 2 A schematic structural diagram of an actuator of an electric screwdriver provided in an embodiment of the present invention is shown;

[0020] Figure 3 A schematic diagram of the structure of a control box of an electric screwdriver provided in an embodiment of the present invention is shown;

[0021] Figure 4 A structural schematic diagram of a control box of an electric screwdriver provided according to an embodiment of the present invention is shown from another perspective.

[0022] The above drawings include the following reference numerals:

[0023] 10. Actuator; 11. Driving handle; 111. Actuator switch; 12. Cutting head; 13. Observation light;

[0024] 20. Control box; 21. Input part; 22. Box body; 23. Indicator light;

[0025] 30. Power supply; 31. AC plug; 32. AC / DC conversion component. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] like Figures 1 to 4 As shown, an embodiment of the present invention provides an electric screwdriver, which includes an actuator 10 and a control box 20. The actuator 10 includes a driving handle 11 and a cutter head 12. The cutter head 12 is arranged at the head of the driving handle 11, and the driving handle 11 is drivingly connected to the cutter head 12. The control box 20 includes an input component 21, a control component and a data recording component. The control component is signal-connected to the input component 21, the driving handle 11 and the data recording component respectively. The control component controls the driving handle 11 to work according to the torque input parameters of the input component 21, and the data recording component records the working parameters of the driving handle 11.

[0028] The electric screwdriver provided in this embodiment is applied, and the electric screwdriver includes an actuator 10 and a control box 20. The staff inputs the torque input parameter of the input member 21 by themselves, or selects a recorded data in the historical record of the data recording member as the torque input parameter of the input member 21. The control member controls the driving handle 11 to work according to the torque input parameter of the input member 21, and the data recording member records the working parameters of the driving handle 11. On the one hand, the driving handle 11 is used to drive the cutter head 12 to rotate, so as to reduce the work intensity of the staff and improve the work efficiency. On the other hand, in the face of the huge terminal tightening work, if the staff encounters a terminal of the same category as the terminal tightened before, the staff can select a recorded data in the historical record of the data recording member as the torque input parameter of the input member 21, without having to adjust the test again to find a suitable torque as the torque input parameter, which greatly shortens the time-consuming terminal tightening work, and can standardize and unify the work quality, ensure that the terminal is tightened in place, and avoid repeated work caused by individual differences of the staff.

[0029] In addition, the input member 21 can also set the speed parameter, and the working parameters of the driving handle 11 include date, time, torque input parameters and speed parameters, etc., which are convenient for users to track and analyze in order to achieve more refined maintenance and management.

[0030] In this embodiment, the driving handle 11 includes a gripping handle, a driving motor and a torque sensor. The driving motor is arranged in the gripping handle, the blade head 12 is arranged at the head of the gripping handle, the driving motor is drivingly connected to the blade head 12, the torque sensor is arranged on the driving motor to detect the output torque of the driving motor, and the control component is respectively connected to the torque sensor and the driving motor signal. When the detection result of the torque sensor is equal to the torque input parameter, the control component controls the driving motor to cut off the power. When the detection result of the torque sensor is equal to the torque input parameter, the driving handle 11 reaches the set torque input parameter at this time, and the control component controls the driving motor to cut off the power to prevent excessive tightening from causing damage to the terminal.

[0031] In this embodiment, the electric screwdriver also includes an alarm component, and the control component is connected to the alarm component signal. When the torque sensor detects that the output torque of the drive motor is less than the torque input parameter, and the output torque of the drive motor is stagnant, the control component controls the alarm component to work. If there is a slipped thread or the terminal is damaged and the thread is slipped, the output torque of the drive motor continues to be unable to reach the torque input parameter. At this time, the alarm component works to prompt the on-site staff to check and handle it.

[0032] In this embodiment, the alarm component includes a sound alarm arranged on the driving handle 11, so that a voice alarm can be used to prompt on-site staff to conduct inspection and processing.

[0033] like Figure 1 As shown, the control box 20 includes a box body 22 and an indicator light 23 arranged on the box body 22, the input part 21 is arranged on the box body 22, the control part and the data recording part are arranged in the box body 22, and the indicator light 23 has a first working state and a second working state. When the detection result of the torque sensor is equal to the torque input parameter, the indicator light 23 is in the first working state, and when the torque sensor detects that the output torque of the drive motor is less than the torque input parameter, and the output torque of the drive motor is stagnant and unchanged, the indicator light 23 is in the second working state. The staff can observe the indicator light 23 to know the working condition of the actuator 10 in real time.

[0034] like Figure 1 As shown, the driving handle 11 includes an execution switch 111, which has a first contact and a second contact. The first contact is electrically connected to the control element, and the second contact is electrically connected to the driving motor. The execution switch 111 has an execution state and a non-execution state. When the execution switch 111 is in the execution state, the first contact and the second contact are connected. When the execution switch 111 is in the non-execution state, the first contact and the second contact are disconnected. The execution switch 111 is used to easily start and stop the driving handle 11, thereby improving the convenience of operation.

[0035] like Figure 1As shown, the electric screwdriver further includes a power supply 30, which includes an AC plug 31 and an AC / DC converter 32, wherein the AC plug 31 is electrically connected to an AC port of the AC / DC converter 32, and the control box 20 further includes a power management component, wherein a DC plug of the AC / DC converter 32 is electrically connected to an input end of the power management component, and an output end of the power management component is electrically connected to the input component 21, the control component, the data recording component, and the driving handle 11, respectively. The AC plug 31 is connected to an external wired power supply through the AC / DC converter 32, and the mains power is converted into DC power for use by the input component 21, the control component, the data recording component, and the driving handle 11.

[0036] like Figure 1 and Figure 3 As shown, the input part 21 includes a touch screen, which can display the control parameters of the control part and the recorded data of the data recording part. The touch screen displays the current torque input parameters, the control parameters of the control part and the recorded data of the data recording part in real time. In order to facilitate the adjustment and confirmation of the torque input parameters, the setting and recording of the control parameters of the control part and the recorded data of the data recording part are intuitively completed. If the signal connection between the control part and the driving handle 11 is disconnected, the touch screen reports an abnormal error, indicating that the driving handle 11 is not connected.

[0037] In this embodiment, the cutter head 12 is detachably arranged on the head of the driving handle 11. By replacing the cutter head 12, it can be flexibly applied to various working scenarios (applicable to terminal tightening work in protective screen cabinets, terminal boxes and other equipment in all substations within the power grid). Specifically, the cutter head 12 and the driving handle 11 are connected by a spring clip, which is convenient for replacement.

[0038] like Figure 1 As shown, the actuator 10 also includes an observation light 13, which is disposed at the head of the driving handle 11 to cope with light and dark environments and to perform on-site operations more accurately.

[0039] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0040] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0041] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the devices or elements referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0042] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0043] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An electric screwdriver, characterized in that: The electric screwdriver comprises: An actuator (10) comprises a driving handle (11) and a cutter head (12), wherein the cutter head (12) is arranged at the head of the driving handle (11), and the driving handle (11) is drivingly connected to the cutter head (12); A control box (20) comprises an input component (21), a control component and a data recording component. The control component is respectively connected to the input component (21), the driving handle (11) and the data recording component by signals. The control component controls the driving handle (11) to work according to the torque input parameters of the input component (21), and the data recording component records the working parameters of the driving handle (11).

2. The electric screwdriver according to claim 1, characterized in that: The driving handle (11) comprises a gripping handle, a driving motor and a torque sensor, wherein the driving motor is arranged in the gripping handle, the cutting head (12) is arranged at the head of the gripping handle, the driving motor is drivingly connected to the cutting head (12), the torque sensor is arranged on the driving motor to detect the output torque of the driving motor, the control component is respectively connected to the torque sensor and the driving motor signal, and when the detection result of the torque sensor is equal to the torque input parameter, the control component controls the driving motor to cut off power.

3. The electric screwdriver according to claim 2, characterized in that: The electric screwdriver also includes an alarm component, and the control component is connected to the alarm component signal. When the torque sensor detects that the output torque of the drive motor is less than the torque input parameter and the output torque of the drive motor stagnates and remains unchanged, the control component controls the alarm component to operate.

4. The electric screwdriver according to claim 3, characterized in that: The alarm component comprises a sound alarm arranged on the driving handle (11).

5. The electric screwdriver according to claim 2, characterized in that: The control box (20) comprises a box body (22) and an indicator light (23) arranged on the box body (22); the input component (21) is arranged on the box body (22); the control component and the data recording component are both arranged in the box body (22); the indicator light (23) has a first working state and a second working state; when the detection result of the torque sensor is equal to the torque input parameter, the indicator light (23) is in the first working state; when the torque sensor detects that the output torque of the drive motor is less than the torque input parameter and the output torque of the drive motor is stagnant and unchanged, the indicator light (23) is in the second working state.

6. The electric screwdriver according to claim 2, characterized in that: The driving handle (11) comprises an execution switch (111), wherein the execution switch (111) has a first contact and a second contact, wherein the first contact is electrically connected to the control element, and the second contact is electrically connected to the driving motor, and the execution switch (111) has an execution state and a non-execution state, wherein when the execution switch (111) is in the execution state, the first contact and the second contact are connected, and when the execution switch (111) is in the non-execution state, the first contact and the second contact are disconnected.

7. The electric screwdriver according to claim 1, characterized in that: The input component (21) comprises a touch screen, and the touch screen can display the control parameters of the control component and the recorded data of the data recording component.

8. The electric screwdriver according to claim 1, characterized in that: The electric screwdriver further comprises a power supply (30), the power supply (30) comprising an AC plug (31) and an AC / DC converter (32), the AC plug (31) being electrically connected to an AC port of the AC / DC converter (32), the control box (20) further comprising a power management component, the DC plug of the AC / DC converter (32) being electrically connected to an input end of the power management component, and an output end of the power management component being electrically connected to the input component (21), the control component, the data recording component and the driving handle (11), respectively.

9. The electric screwdriver according to claim 1, characterized in that: The cutter head (12) is detachably arranged on the head of the driving handle (11).

10. The electric screwdriver according to claim 1, characterized in that: The actuator (10) further comprises an observation light (13), and the observation light (13) is arranged on the head of the driving handle (11).

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