CN110524493A - Electric tool and electric tool control method - Google Patents

Electric tool and electric tool control method Download PDF

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Publication number
CN110524493A
CN110524493A CN201810506841.8A CN201810506841A CN110524493A CN 110524493 A CN110524493 A CN 110524493A CN 201810506841 A CN201810506841 A CN 201810506841A CN 110524493 A CN110524493 A CN 110524493A
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China
Prior art keywords
electric tool
motor
mode
control module
operation mode
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Granted
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CN201810506841.8A
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CN110524493B (en
Inventor
朱伯元
孙井龙
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Positec Technology China Co ltd Non Small Entity
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Positec Power Tools Suzhou Co Ltd
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Priority to CN201810506841.8A priority Critical patent/CN110524493B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25FCOMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Portable Power Tools In General (AREA)

Abstract

The present invention relates to a kind of electric tool and electric tool control method, electric tool includes shell, the motor for being set to shell, the output shaft being driven by motor and control equipment, and shell includes the main handle for accommodating the main casing of motor, connecting with main casing;The pattern recognition device and control module, control module connection mode identification device and motor that control equipment includes;Pattern recognition device detects the operation mode of electric tool, control module detects the operation mode that signal judges electric tool based on the received, and is controlled such that electric tool switches to efficient operation mode from normal mode of operation to motor when electric tool is in default operating mode.The operation mode that may be executed on electric tool is preset; electric tool, which switches to efficient operation mode from normal mode of operation, to be controlled such that motor when user operates electric tool under default operating mode; it can reduce that operator is toilworn to be happened; avoid operator injured in tired operation; safeguard protection is carried out to operator, improves the safety in utilization of electric tool.

Description

Electric tool and electric tool control method
Technical field
The present invention relates to technical field of electric control, more particularly to a kind of electric tool and electric tool control method.
Background technique
Electric tool is a kind of mechanized tool, it, as power, is driven by motor or electromagnet by transmission mechanism Work head carries out operation, is usually made hand-held, movable, light structure, carries easy to use.It can due to comparing hand tools Production efficiency several times are improved to decades of times, electric tool has been widely used in national economy every field, and enters family It uses.
Operator is according to the actual situation or itself is accustomed to, and singlehanded or hands grasping electric tool can be selected to be made Industry, running parameter of the electrician tool in operation are fixed settings.When carrying out operation using electric tool, operator's meeting Selection is singlehanded or hands grasping electric tool is hold by one hand for a long time in the case where the running parameter of electric tool is fixed When operating electric tool, operator is easy fatigue, may jeopardize personal safety when serious, safety in utilization is low.
Summary of the invention
Based on this, it is necessary in view of the above-mentioned problems, providing a kind of electric tool and electric tool control safe to use Method processed.
A kind of electric tool, including shell, the motor, the output shaft being driven by motor and the control that are set to shell sets Standby, the shell includes the main handle for accommodating the main casing of motor, connecting with main casing;The mould that the control equipment includes Formula identification device and control module, the control module connect the pattern recognition device and the motor;The mode is known Other device sends detection signal to the control module, the control mould for detecting to the operation mode of electric tool Block judges the operation mode of electric tool for detection signal based on the received, and when the electric tool is in predetermined registration operation mould Electric tool, which switches to efficient operation mode from normal mode of operation, to be controlled such that the motor when formula, wherein described Working efficiency of the electric tool under the efficient operation mode is higher than the working efficiency under the normal mode of operation.
A kind of electric tool control method, comprising the following steps:
Pattern recognition device detects the operation mode of electric tool, and sends detection signal to control module;
When the control module judges that the electric tool is in default operating mode according to the detection signal, to described Motor is controlled such that electric tool switches to efficient operation mode from normal mode of operation, wherein the electric tool exists Working efficiency under the efficient operation mode is higher than the working efficiency under the normal mode of operation.
Above-mentioned electric tool and electric tool control method, pattern recognition device detect the operation mode of electric tool, control Molding block is controlled such that electric tool is cut from normal mode of operation to motor when electric tool is in default operating mode Shift to efficient operation mode.User is controlled such that electric tool to motor when operating electric tool under default operating mode Efficient operation mode is switched to from normal mode of operation, it is possible to reduce operator is toilworn to be happened, and avoids operating Personnel are injured in tired operation, to carry out safeguard protection to operator, improve the safety in utilization of electric tool.
Detailed description of the invention
Fig. 1 is the structure chart of charging electric hammer in an embodiment;
Fig. 2 is the structural block diagram of charging electric hammer in an embodiment;
Fig. 3 is the structure chart of charging electric hammer in another embodiment;
Fig. 4 is the flow chart of charging electric hammer control method in an embodiment;
Fig. 5 is the flow chart of charging electric hammer control method in another embodiment;
Fig. 6 is the schematic illustration of charging electric hammer control method in an embodiment.
Specific embodiment
In one embodiment, a kind of electric tool specifically can be the rotation class tool such as charging electric hammer.Electric tool packet Shell, the motor for being set to shell, the output shaft being driven by motor and control equipment are included, the shell includes for accommodating electricity The main casing of machine, the main handle being connect with main casing.The pattern recognition device and control module that control equipment includes, control module Connection mode identification device and motor;Pattern recognition device sends inspection for detecting to the operation mode of electric tool Signal is surveyed to control module, control module judges the operation mode of electric tool for detection signal based on the received, and when electricity Electric tool, which switches to efficient work from normal mode of operation, to be controlled such that motor when power driven tools are in default operating mode Operation mode, wherein working efficiency of the electric tool under efficient operation mode is higher than working efficiency in the normal mode of operation. For ease of understanding, it is explained by taking the electric hammer that charges as an example below.
Fig. 1, electric tool shown in Fig. 2 are a kind of vertical charging electric hammers 100, including shell 200, removable with shell 200 Unload formula installation battery pack 300, be vertically provided in shell 200 motor 210, the output shaft 230 for connecting work head, For the power of motor 210 to be transferred to the transmission mechanism 240 of output shaft 230, by 210 drives edge output shaft of motor, 230 axis Z Make the hammer mechanism 250 of linear reciprocal movement;The output shaft 230 of the present embodiment is arranged to hollow shaft, and hammer mechanism 250 is contained in In the hollow shaft of output shaft 230, one end on output shaft 230 far from motor 210 is provided with the collet group for connecting work head Part 260;Wherein transmission mechanism 240 includes mechanical trip structure 241, for during the work time, work head to encounter hard object When can generate big reverse torque when body or surface, mechanical trip structure 241 will generate tripping at this time, make the rotation of motor 210 What rotatory force cannot continue is transferred to work head, avoids work head from generating big reverse torque, to guarantee safe operation.
Electric hammer 100 further includes control equipment, and control equipment includes pattern recognition device 120 and control module 130, controls mould 130 connection mode identification device 120 of block and motor 210;Pattern recognition device 120 be used for the operation mode of electric hammer 100 into Row detection sends detection signal to control module 130, and control module 130 judges electric hammer 100 for detection signal based on the received Operation mode, and be controlled such that electric hammer 100 from normal work in motor 210 when electric hammer 100 is in default operating mode Operation mode switches to efficient operation mode.
Shell 200 has the main casing 201 of receiving motor 210 and output shaft 230, and connect with main casing 201 Main handle 202 is wherein provided with neck shell 201a close to work head installation position on main casing 201.The electric hammer of the present embodiment 100 are also removably attachable to the auxiliary main handle 203 of neck shell 201a with one.Main casing 201 includes for accommodating The electric machine casing 201b of motor 210.Referring to shown in Fig. 3, electric hammer is a 3D solid, and the axis Z for such as defining output shaft 230 is Pivotal axis is defined as axis Y with the axis of motor shaft 212, then axis Z intersects with axis Y can define a plane, then can determine Adopted axis X is the axis of this vertical plane.
Specifically, the operation mode of electric hammer 100 includes that user only holds the execution one-handed performance of main handle 202 with one hand First operator scheme;And user holds main handle 202 with a hand, the other hand holds auxiliary main handle 203 and executes operation Both hands operation mode.
The specific structure of pattern recognition device 120 is not unique, and the mode for detecting 100 operation mode of electric hammer also corresponds to It is different.Pattern recognition device 120 in the present embodiment includes the inductive pick-up of link control module 130, inductive pick-up packet The second sense for including the first inductive pick-up 1220a of the main handle 202 for being respectively arranged at electric hammer, being set to auxiliary main handle 203 Inductive sensing device 1220b.First inductive pick-up 1220a and the second inductive pick-up 1220b link control module 130.Induction passes The type of sensor is not unique, specifically can be pressure sensor or temperature sensor etc..
Default operating mode in the embodiment of the present invention includes first operator scheme.It is set when control module 130 only receives When being placed in the detection information of the first inductive pick-up 1220a transmission of main handle 202, then control module 130 judges at electric hammer 100 In first operator scheme, i.e. user only executes operation at this time to be hold by one hand main handle 202;If control module 130 receives respectively The inspection that the second inductive pick-up 1220b of the first inductive pick-up 1220a and auxiliary main handle 203 to main handle 202 are sent When measurement information, then control module 130 is judged as both hands operation mode.When control module 130 judges that electric hammer 100 is in the first operation When mode, electric hammer 100, which switches to efficient operation mode from normal mode of operation, to be controlled such that motor 210.Specifically, it controls Molding block 130 when electric hammer 100 is in first operator scheme, to motor 210 carry out control improve electric hammer 100 hammering parameter and Revolving speed, so that electric hammer 100 switches to efficient operation mode from normal mode of operation.So set, making control module 130 in electricity When hammer 100 is in only first operator scheme to be hold by one hand main handle, electric hammer 100 is switched into efficient operation mode, is shortened The time is punched, avoids user from lifting fatigue due to electric hammer 100 works long hours because of one hand, it is easily tired to solve user's one-handed performance Labor problem avoids human fatigue operation from endangering personal safety, improves the safety in utilization of electric hammer.
Further, in one embodiment, control module 130 is also used to when electric hammer 100 is in both hands operation mode, It is controlled such that electric hammer 100 from efficient operation pattern switching to normal mode of operation in motor 210.Specifically, when electric hammer 100 When in both hands operation mode, control module 130, which carries out control to motor 210, reduces the hammering parameter and revolving speed of electric hammer 100, makes Electric hammer 100 is from efficient operation pattern switching to normal mode of operation.
In another embodiment, pattern recognition device 120 includes the first inductive pick-up for being set to main handle 202 1220a, and it is set to the third inductive pick-up of main casing 201, the first inductive pick-up 1220a and third inductive pick-up Link control module 130.In the present embodiment, third inductive pick-up is disposed in proximity to the position of output shaft 230.For not matching Connect auxiliary main handle electric hammer for, when user is to hold main handle 202 on the other hand, with another hand using main casing 201 as When auxiliary is helped, the gripping of user can be perceived out in the first inductive pick-up 1220a of main handle 202 by being set to, and be set to Third inductive pick-up in main casing 201 can also perceive this support, and send detection signal respectively to control module 130. Control module 130 can be known based on the detection signal from the first inductive pick-up 1220a and third inductive pick-up 1220c Not Chu user this mode of operation, and be judged as second operator scheme.In the present embodiment, although user is really held with one Main handle 202 is held, main casing 201 is helped with another Hand supplementary, but still mainly hold main handle 202 by user to lift Electric hammer works long hours and is equally easy to produce fatigue.For the safety for guaranteeing operation, this mode of operation actually can be still defined For default operating mode, when electric hammer is in second operator scheme, electric hammer 100 is equally switched to efficient work by control module 130 Operation mode avoids user from lifting fatigue due to electric hammer 100 works long hours because of one hand.
In other embodiments, pattern recognition device 120 includes the contact switch device controlled of link control module 130.Contact Switching device may be disposed at the position that suitable user's operation is held, for example be arranged in main handle, assist handle, electric machine casing etc., It is actually holding in operating process, whether control module 130 is triggered or trigger switch device institute according to contact switch device controlled The gear at place judges that current operation mode is first operator scheme or second operator scheme either both hands operation mode, behaviour Make simple and efficient.
The specific structure of control module 130 is not that uniquely, in one embodiment, control module 130 includes connection mould The controller of formula identification device 120 and motor 210.Specifically, the detection letter that controller reception pattern identification device 120 is sent Number, and the operation mode of electric hammer 100 is judged according to detection signal, when electric hammer 100 is in default operating mode to motor 210 into Row control is so that electric hammer 100 switches to efficient operation mode from normal mode of operation;When electric hammer 100 is in both hands operation mode When, it is controlled such that electric hammer 100 from efficient operation pattern switching to normal mode of operation in motor 210.The type of controller Not unique, in the present embodiment, controller is single-chip microcontroller.
Above-mentioned electric tool, user are controlled such that motor when operating electric tool under default operating mode electronic Tool switches to efficient operation mode from normal mode of operation, it is possible to reduce operator is toilworn to be happened, and is avoided Operator is injured in tired operation, to carry out safeguard protection to operator, improve electric tool using safe Property.
In one embodiment, a kind of electric tool control method, electric tool specifically can be charging electric hammer etc..Such as figure Shown in 4, comprising the following steps:
Step S110: pattern recognition device detects the operation mode of electric tool, and sends detection signal to control Molding block.
The operation mode of electric tool specifically includes first operator scheme, second operator scheme and both hands operation mode, The specific structure of pattern recognition device is not unique, and the mode of detection operating electric tool mode also corresponds to different.
Step S120: control module according to detection signal judge that electric tool is in default operating mode when, to motor into Row control is so that electric tool switches to efficient operation mode from normal mode of operation.
Wherein, working efficiency of the electric tool under efficient operation mode is higher than work effect in the normal mode of operation Rate.Specifically, control module is when electric hammer is in default operating mode, to motor carry out control improve electric hammer hammering parameter and Revolving speed, so that electric hammer switches to efficient operation mode from normal mode of operation.So set, being in control module in electric hammer Electric hammer is switched into efficient operation mode when default operating mode, shortens the punching time, avoid user because one hand lift electric hammer into Row works long hours and tired, solves the problems, such as user's one-handed performance fatiguability, human fatigue operation is avoided to endanger personal safety, Improve the safety in utilization of electric hammer.
Further, in one embodiment, as shown in figure 5, after step S120, electric tool control method further includes Step S130.
Step S130: control module also when electric tool is in both hands operation mode, is controlled such that electricity to motor Power driven tools are from efficient operation pattern switching to normal mode of operation.Specifically, when electric hammer is in both hands operation mode, mould is controlled Block, which carries out control to motor, reduces the hammering parameter and revolving speed of electric hammer, makes electric hammer from efficient operation pattern switching to normal work mould Formula.
To facilitate a better understanding of above-mentioned electric tool control method, it is explained in detail combined with specific embodiments below It is bright.
Electric tool includes motor and control equipment, and control equipment includes pattern recognition device and control module, and mode is known Other device includes inductive pick-up, and control module includes single-chip microcontroller, and single-chip microcontroller connects inductive pick-up.Inductive pick-up detection electricity The operation mode of power driven tools, it is specific as shown in fig. 6, to state conveniently, only with electric tool in one-hand operating format, i.e., first It is illustrated when operation mode as example, is referred under second operator scheme.Single-chip microcontroller determines that electric tool is in one hand It when operation mode, is controlled by the motor to electric tool, adjusts the hammering parameter of electric tool, revolving speed promotes work effect Rate makes machine switch to efficient operation mode;When single-chip microcontroller determines that electric tool is in both hands operation mode, single-chip microcontroller then will Machine switches to normal mode of operation.
Above-mentioned electric tool control method, user control motor when operating electric tool under default operating mode So that electric tool switches to efficient operation mode from normal mode of operation, it is possible to reduce the case where operator's work fatigue is sent out It is raw, it avoids operator injured in tired operation, to carry out safeguard protection to operator, improves making for electric tool Use safety.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1. a kind of electric tool, including shell, the motor for being set to shell, the output shaft being driven by motor and control equipment, The shell includes the main handle for accommodating the main casing of motor, connecting with main casing;It is characterized in that, the control equipment Including pattern recognition device and control module, the control module connects the pattern recognition device and the motor;It is described For pattern recognition device for detecting to the operation mode of electric tool, transmission detection signal is described to the control module Control module judges the operation mode of electric tool for detection signal based on the received, and when the electric tool is in default Electric tool, which switches to efficient operation mode from normal mode of operation, to be controlled such that the motor when operation mode, In, working efficiency of the electric tool under the efficient operation mode is higher than the work effect under the normal mode of operation Rate.
2. electric tool according to claim 1, which is characterized in that the default operating mode is only to be hold by one hand master The first operator scheme of handle;Or main handle is held with a hand, while with another hand steered the second operation for holding main casing Mode.
3. electric tool according to claim 2, which is characterized in that further include auxiliary main handle connected to the housing, institute Stating electric tool further includes main handle being held with a hand, while the both hands operation mode of assist handle is held with another hand.
4. electric tool according to claim 3, which is characterized in that the control module is also used to when the electric tool When in both hands operation mode, it is controlled such that electric tool from efficient operation pattern switching to normal work in the motor Mode.
5. electric tool according to claim 3, which is characterized in that the pattern recognition device includes being set to the master First inductive pick-up of handle, and be set to the induction second sensor of assist handle, first inductive pick-up and Second inductive pick-up connects the control module.
6. electric tool according to claim 2, which is characterized in that the pattern recognition device includes being set to the master First inductive pick-up of handle, and it is set to the third inductive pick-up of the main casing, first inductive pick-up The control module is connected with the third inductive pick-up.
7. electric tool according to claim 1, which is characterized in that the control module is in pre- in the electric tool If when operation mode, the hammering parameter and revolving speed that control improves electric tool are carried out to the motor, so that electric tool is from just Normal operating mode switches to efficient operation mode.
8. electric tool according to claim 1, which is characterized in that the pattern recognition device includes connecting the control Module it is contact switch device controlled.
9. electric tool according to any one of claims 1 to 8, which is characterized in that the control module includes connection institute State the single-chip microcontroller of pattern recognition device and the motor.
10. a kind of electric tool control method, which comprises the following steps:
Pattern recognition device detects the operation mode of electric tool, and sends detection signal to control module;
When the control module judges that the electric tool is in default operating mode according to the detection signal, motor is carried out Control is so that electric tool switches to efficient operation mode from normal mode of operation, wherein the electric tool is described efficient Working efficiency under operating mode is higher than the working efficiency under the normal mode of operation.
CN201810506841.8A 2018-05-24 2018-05-24 Electric tool and electric tool control method Active CN110524493B (en)

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CN110524493B CN110524493B (en) 2021-04-06

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US20230158658A1 (en) * 2021-11-24 2023-05-25 Milwaukee Electric Tool Corporation Grinder including enhanced sensing and component detection

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CN103347658A (en) * 2011-02-10 2013-10-09 株式会社牧田 Electric tool
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Effective date of registration: 20210918

Address after: 215123 Jiangsu Province, Suzhou City Industrial Park East Road, No. 18

Patentee after: POSITEC TECHNOLOGY (CHINA) Co.,Ltd. (NON SMALL ENTITY)

Address before: 215123 Jiangsu Province, Suzhou City Industrial Park East Road, No. 18

Patentee before: POSITEC POWER TOOLS (SUZHOU) Co.,Ltd.