WO2021078024A1 - 电动工具及其控制方法 - Google Patents

电动工具及其控制方法 Download PDF

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Publication number
WO2021078024A1
WO2021078024A1 PCT/CN2020/120166 CN2020120166W WO2021078024A1 WO 2021078024 A1 WO2021078024 A1 WO 2021078024A1 CN 2020120166 W CN2020120166 W CN 2020120166W WO 2021078024 A1 WO2021078024 A1 WO 2021078024A1
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WO
WIPO (PCT)
Prior art keywords
electric tool
parameter
tool
state
peripheral
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PCT/CN2020/120166
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English (en)
French (fr)
Inventor
查霞红
刘常华
赵凤丽
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苏州宝时得电动工具有限公司
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Publication of WO2021078024A1 publication Critical patent/WO2021078024A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0863—Apparatus loosening or removing the dirt by blowing and subsequently dislodging it at least partially by suction ; Combined suction and blowing nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION 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
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles

Definitions

  • the invention relates to the technical field of electric tools, in particular to electric tools and control methods thereof.
  • the garden tool blower can generally be used to blow away fallen leaves, road dust, stagnant water and snow, etc., and can also be used to extinguish forest fires.
  • Existing garden hair dryers can generally be divided into handheld hair dryers, backpack hair dryers and handheld backpack dual-use hair dryers according to their working mode.
  • a control method of an electric tool includes: the electric tool has an acquisition unit and a control unit;
  • the acquiring unit acquires the peripheral state of the electric tool, and the peripheral state includes the power source type and/or structural form of the electric tool;
  • the state of the peripheral device is fed back to the control unit, and the control unit obtains the output parameter of the electric tool according to the state of the peripheral device of the electric tool.
  • the output parameter includes at least a first parameter and a second parameter. A parameter and the second parameter correspond to different peripheral states.
  • the above control method of the electric tool can adjust its output parameters according to the peripheral state of the electric tool, so that the output of the electric tool is different in different environments, and the recoil is also different, which is convenient for the user to hold and control the electric tool to work in different environments. Improve the performance of power tools.
  • the above-mentioned electric tool has an acquisition module and a control module.
  • the acquisition module can acquire the peripheral status of the power tool; the control module can adjust its output parameters according to the peripheral status of the power tool, so that the output of the power tool is different in different environments, and the recoil is also different, which is convenient for users to hold in different environments Operate the power tool to work and improve the performance of the power tool.
  • FIG. 2 is a schematic flowchart of step S100 of the control method of an electric tool in an embodiment of the application.
  • FIG. 3 is a schematic flowchart of step S100 of a control method of an electric tool in another embodiment of the application.
  • Fig. 4 is a schematic flowchart of step S100 of a method for controlling an electric tool in another embodiment of the application.
  • FIG. 5 is a schematic flowchart of step S100 of a method for controlling an electric tool in another embodiment of the application.
  • Fig. 6 is a schematic flowchart of step S100 of a method for controlling an electric tool in another embodiment of the present application.
  • FIG. 7 is a schematic flowchart of a control method of an electric tool in another embodiment of the application.
  • FIG. 8 is a schematic diagram of the module structure of the electric tool in an embodiment of the application.
  • Fig. 11 is a schematic structural diagram of an electric tool in another specific embodiment of the application.
  • Fig. 12 is a schematic structural diagram of an electric tool in another specific embodiment of the application.
  • FIG. 13 is a schematic diagram of the position of the handle and the control device of the electric tool in another specific embodiment of the application.
  • Air duct
  • the present application provides an electric tool that is convenient for a user to hold and manipulate, and a control method thereof.
  • the electric tool includes an acquisition unit, a control unit, and a control method of the electric tool.
  • the acquisition unit acquires the state of the peripheral device and adjusts the output parameter of the electric tool according to the state of the peripheral device.
  • the peripheral status can generally include the power source type and structure of the electric tool.
  • the electric tool includes a tool body, a carrying device, and a battery device.
  • the peripheral state of the electric tool has a backpack state in which the battery device is set on the carrying device to supply power to the tool body through the backpack device.
  • the power source is the backpack power source; the battery device is set on the tool body to directly supply power to the tool body
  • the power supply type is battery pack power at this time.
  • the main body of the electric tool can be a blowing and sucking device.
  • the main body of the blowing and sucking device is provided with a motor and a motor driven by the motor.
  • the battery device supplies power to the motor, and the motor drives the motor to realize the blowing and sucking function.
  • the electric tool is in the backpack state.
  • the output parameter of the power tool is 600W-1500W.
  • the output parameter of the electric tool is 150-600W.
  • the output parameters are mainly adjusted by adjusting the speed of the motor.
  • the structure of the tool body is not limited to this, and it can also be other tools such as a washing machine.
  • a control method of an electric tool includes the following steps:
  • the obtaining unit obtains the peripheral state of the electric tool, and the peripheral state may include at least one of the power source type and the structural form of the electric tool.
  • the different power supply types here are distinguished by the voltage and capacity of the power supply.
  • the power supply types include a first type with a larger voltage and a larger capacity, and a second type with a smaller voltage and a smaller capacity.
  • the peripheral state of the electric tool includes a backpack state and a hand-held state.
  • the structure can generally include the position and angle of the handle of the electric tool.
  • the control method of the electric tool can obtain the peripheral state of the electric tool to obtain its working mode.
  • S200 Feed back the state of the peripheral to the control unit.
  • the control unit obtains the output parameter of the electric tool according to the state of the peripheral of the electric tool.
  • the output parameter includes at least a first parameter and a second parameter.
  • the first parameter and the second parameter correspond to different Peripheral status.
  • the output parameter of the electric tool can be adjusted to a smaller second parameter.
  • the recoil of the electric tool will also be relatively small.
  • the above-mentioned control method of the electric tool can recognize the different types of power sources or/and the different structural forms and adjust the output parameters of the electric tools according to them, so as to control the electric tools to have different output performance under different usage conditions, for example, to control the electric power
  • the output of the tool in the hand-held state is small, the recoil is small, and it is easy to hold.
  • the output of the power tool is larger, which is beneficial to the high-intensity work of the power tool.
  • the control method of the electric tool can control the output parameters of the electric tool in different environments, so that the electric tool is more adapted to different working environments, and the use performance of the electric tool is improved.
  • the power tool can obtain the power supply voltage or power supply capacity output by the power supply, and compare the power supply voltage or power supply capacity of the power supply with the preset voltage or the preset capacity, so as to obtain the corresponding power supply type according to the power supply voltage or power supply capacity of the power tool.
  • the power tool can obtain the power supply voltage of the power supply and compare the power supply voltage with a preset voltage.
  • the power supply voltage is greater than the preset voltage
  • the power supply type is obtained according to the corresponding relationship between the preset power supply voltage and the power supply type.
  • the power supply type is obtained according to the corresponding relationship between the preset power supply voltage and the power supply type.
  • the user can use different power sources to drive the electric tool, thereby controlling the output power of the electric tool to control recoil.
  • the user uses the electric tool in the backpack state, because the weight to hold is small, the recoil force of the electric tool can be withstand large, and the first parameter can be output to obtain a large output power.
  • the second parameter is used to output, so as to obtain a small recoil.
  • obtaining the peripheral state of the electric tool in step S100 may be obtaining the structure of the electric tool, as shown in FIG. 3, which may specifically include the following steps:
  • S124 Determine the structure of the electric tool according to the position of the handle of the electric tool.
  • the handle can move relative to the electric tool on the electric tool to have at least two different positions relative to the electric tool.
  • the electric tool can obtain the position of the handle relative to the electric tool, and compare the position of the handle relative to the electric tool with a preset position. When the position of the handle relative to the electric tool is on one side of the preset position, the structure of the electric tool is obtained, and the corresponding working state is obtained. When the position of the handle relative to the other side of the preset position of the electric tool, another structural form of the electric tool is obtained, thereby obtaining another corresponding working state.
  • the method for obtaining the position of the handle relative to the electric tool may be: detecting the distance of the handle relative to a certain point of the electric tool through a distance sensor, so as to obtain the position of the handle relative to the electric tool. It is also possible to set the moving area of the handle as a sliding rheostat and set the handle as a moving slide, so as to obtain the position of the handle relative to the electric tool by detecting the current of the circuit where the sliding rheostat is located. These are all conventional technical means in this field and will not be repeated here.
  • obtaining the peripheral state of the electric tool in step S100 may be obtaining the structure of the electric tool, as shown in FIG. 4, which may specifically include the following steps:
  • S134 Determine the structure of the electric tool according to the angle of the handle of the electric tool.
  • the handle can be rotated on the power tool relative to the power tool to have at least two different angles relative to the power tool.
  • the electric tool can obtain the rotation angle of the handle, and compare the rotation angle of the handle relative to the electric tool with a preset angle. When the rotation angle of the handle relative to the electric tool is not less than the preset angle, the structural form of the electric tool is obtained, and the corresponding working state is obtained. When the rotation angle of the handle relative to the electric tool is less than the preset angle, the structure of the electric tool is obtained, and another corresponding working state is obtained.
  • the handle of the electric tool is set as a rotatable handle, which can be used to adjust the angle of the handle so as to facilitate the use of the electric tool in a backpack and hand-held state.
  • the electric tool can obtain the structural form of the electric tool by obtaining the angle of the handle, and then obtain the working state of the electric tool according to the structural form of the electric tool.
  • the method for obtaining the position of the handle relative to the electric tool may be to obtain the angle of the handle through an angle detection sensor; the electrical connection between the handle and the electric tool may also be set as a single-pole multi-throw switch to obtain different angles of the handle. No longer.
  • the rotatable angle of the handle can be set to 5°-85°, specifically, the rotation angle can be 5°, 10°, 15°, 20°, 50° , 55°, 60°, 65°, 70°, 75°, 80° and 85°.
  • the user can choose any angle to rotate the handle.
  • the handle rotation angle is any one of 5°, 10°, 15°, and 20°
  • the electric tool obtains a structural form, which corresponds to a hand-held state.
  • the handle rotation angle is any one of 50°, 55°, 60°, 65°, 70°, 75°, 80°, and 85°
  • the power tool has a structural form corresponding to the backpack state.
  • obtaining the peripheral state of the electric tool in step S100 may be obtaining the structure of the electric tool, as shown in FIG. 5, which may specifically include the following steps:
  • S144 Determine the structure of the electric tool according to whether the electric tool is connected to the mounting seat.
  • the backpack device includes a mounting base.
  • the electric tool can obtain the connection state with the mounting base, and determine the structure of the electric tool according to the connection state with the mounting base, and then determine the working state corresponding to the structure. .
  • the electric tool can obtain whether it is connected to the mounting base, and when the electric tool is connected to the mounting base, it is determined that the electric tool is in the backpack state.
  • the power tool is not connected to the mounting base, make sure that the power tool is in a hand-held state.
  • the trigger can be provided at the place where the electric tool is used to connect with the mounting base.
  • the trigger is triggered, and the electric tool is in the backpack state.
  • the electric tool can be obtained in a hand-held state.
  • obtaining the peripheral state of the electric tool in step S100 may be obtaining the structure of the electric tool, as shown in FIG. 6, which may specifically include the following steps:
  • S154 Determine the power source type, and obtain the structure of the electric tool.
  • the battery device includes a battery pack, and the battery pack is provided with a battery connection seat for realizing the connection between the battery pack and other structures.
  • the electric tool can obtain the connection with the battery pack, and according to the connection state of the battery pack Confirm the structure of the power tool, and then determine the state of the tool corresponding to the structure.
  • an electric tool can obtain a battery connection base on which it is connected. When the battery connection base is installed on the electric tool, the battery pack is directly installed on the electric tool. At this time, the electric tool is in a hand-held state. On the contrary, when the electric tool is not installed The battery connection seat, the power tool is in the backpack state.
  • the number of battery connection sockets can also be obtained, that is, the number of battery packs connected to the electrician's tool can be obtained, and the connection state of the battery pack and the electric tool can be obtained indirectly.
  • the size of the battery connector can be obtained. For battery packs with different voltages, the size of the battery connector is different. You can also identify the size of the battery pack and the voltage of the battery pack connected to the battery tool to determine the electric The output parameters of the tool.
  • connection state of the electric tool and the battery connection base can be detected by setting a trigger, of course, it can also be realized by a sensor.
  • the power tool is a backpack and a dual-purpose hair dryer.
  • the preset voltage of the hair dryer is 20V, and the preset capacity is 20A ⁇ h.
  • the control method includes the following steps:
  • the control device of the hair dryer obtains the output voltage or power capacity of the power supply, and compares the output voltage or power capacity with a preset voltage or a preset capacity. Taking an output voltage of 15V and a power supply capacity of 15A ⁇ h as an example, at this time, the output voltage and power supply capacity are both less than the preset voltage and the preset capacity, and the power supply type is obtained.
  • the control device of the hair dryer can also obtain the position of the handle relative to the hair dryer, and determine the structure of the electric tool according to the position.
  • the control device of the hair dryer can also obtain whether it is connected to the mounting base, and determine the structure of the electric operation according to whether the hair dryer is connected to the mounting base or not.
  • the above-mentioned schemes for determining the status of the hair dryer peripherals include two implementation schemes for judging the power source type of the hair dryer and two implementation schemes for judging the structure of the hair dryer. In practical applications, any one or more of the above solutions can be used to judge the status of the peripherals of the hair dryer.
  • the control device obtains the output parameters of the hair dryer according to the type of power source or/and the structure.
  • the output parameter of the control hair dryer is the first parameter.
  • the output parameter of the control blower is the second parameter. Wherein, the second parameter is smaller than the first parameter.
  • step S200 it may further include:
  • step S200 obtains the output parameter of the electric tool according to the peripheral state of the electric tool, which may specifically be:
  • the proportion of the output of the electric tool can be controlled by user input.
  • the user can control the output ratio of the electric tool through multi-step adjustment, or input the output ratio of the electric tool through the human-computer interaction system.
  • the control device of the electric tool After obtaining the output proportion of the electric tool, the control device of the electric tool obtains the output parameter of the electric tool according to the peripheral state and the output proportion of the electric tool.
  • this step S201 may specifically include: obtaining the maximum output parameter of the electric tool according to the peripheral state of the electric tool.
  • the maximum output parameter here is the maximum output power when the electrician tool is in backpack mode or handheld mode.
  • the output parameter of the electric tool can be adjusted according to the output ratio. That is, the electric tool can also have gear selection under different working conditions.
  • the maximum output parameter of the electric tool is obtained according to the peripheral state of the electric tool, and the output parameter of the electric tool is obtained by adjusting according to the output proportion.
  • the output parameter is the first parameter or the second parameter. Take the backpack state as an example.
  • the output parameter of the power tool is 70% of the maximum output parameter;
  • the output parameter of the power tool is the maximum output 80% of the parameter;
  • the output parameter of the power tool is 90% of the maximum output parameter;
  • the power tool is in the fourth gear, the output parameter of the power tool is the maximum output parameter.
  • the above control method of the electric tool can recognize the difference of the power source type or/and the difference of the structure and adjust the output parameters of the electric tool according to the power tool, thereby controlling the electric tool to have a small output in a hand-held state and a small recoil force, which is convenient to hold.
  • the output of the power tool is larger, which is beneficial to the high-intensity work of the power tool.
  • the control method of the power tool can control the output parameters of the power tool in different environments, thereby avoiding the output parameters and recoil force of the power tool from being constant, making the power tool convenient for users to control and hold in different environments, thereby improving the power tool Performance.
  • the power tool can also manually control the output ratio of the power tool, making it more convenient for users to use.
  • An embodiment of the present application also provides an electric tool, as shown in FIG. 8, including: an acquisition module and a control module.
  • the control module is electrically connected to the acquisition module.
  • the acquisition module feeds back the peripheral state to the control module.
  • the control module obtains the output parameters of the electric tool according to the peripheral state.
  • the output parameters include at least the first parameter and the second parameter, and the first parameter and the second parameter.
  • the two parameters correspond to different peripheral states.
  • the output parameters of the electric tool should include at least a first parameter and a second parameter, and the first parameter and the second parameter respectively correspond to different peripheral states.
  • the electric tool further includes an input module.
  • the input module is electrically connected to the control module, and is used to input the output proportion of the electric tool to the control module.
  • the input module can be a multi-gear adjustment device or a human-computer interaction device that can input information.
  • the acquisition module may also be a voltage/capacity detector, which is installed at the power connection of the electric tool, so as to detect the voltage or capacity of the power source of the electric tool.
  • the electric tool of the present application will be described from specific embodiments.
  • the electric tool is a backpack and a dual-purpose hair dryer.
  • a backpack handheld dual-purpose hair dryer comprising: a hair dryer body 100, an air duct 110 connected to the hair dryer body 100, a handle 120 provided on the air duct 110, a power supply 200, a mounting base 310, and a backpack strap 320.
  • the blower body 100 is used to generate wind and discharge it through the air duct 110.
  • the hair dryer body 100 may be provided with a control device for control and a motor for rotation.
  • the power supply 200 is movably connected to the body 100 of the hair dryer.
  • the power supply 200 may be connected to the body 100 of the hair dryer by a buckle.
  • the power supply 200 here may include a backpack power supply and a battery pack power supply, so as to meet the different needs of the hair dryer.
  • the backpack power supply has a relatively large capacity and voltage, which is suitable for the backpack state;
  • the battery pack power supply has a small capacity and voltage and is suitable for a handheld state.
  • the backpack power supply also includes a mounting base 310, which is movably connected to the hair dryer body 100, so that the hair dryer body 100 can use the battery pack power supply and work independently, or it can be installed with the mounting base 310, connected to the backpack power supply, and carried by the user. jobs.
  • the control device of the hair dryer is configured to obtain the type of the power source 200 and the position of the handle 120, and obtain the output parameters of the hair dryer according to the type of the power source 200 and the position of the handle 120, so as to control the operation of the electric tool according to the output parameters.
  • the hair dryer may also be provided with an input device, and the input device is a multi-speed adjustment device.
  • the multi-level adjusting device is arranged on the handle 120 of the hair dryer and is electrically connected to the control device.
  • the input device can input the output proportion of the hair dryer to the control device, thereby further controlling the size of the output power of the hair dryer.
  • the handle 120 may also be a rotatable handle, so that it is convenient to hold the handle comfortably in both the hand-held state and the backpack state.
  • the handle 120 may include a handle base 122 for connecting with the air duct 110 and a handle 124 provided on the handle base 122.
  • the handle 120 may further include a button 126 provided at the connection between the handle 124 and the handle base 122.
  • the handle 124 and the handle base 122 can be engaged by gears, so that when the button 126 is pressed, the gear of the handle 124 is separated from the gear of the handle base 122, and the handle 124 can rotate around the axis of its gear.
  • the handle 124 can be located at either position A or position B by rotating.
  • the button 126 is reset, the gear of the handle 124 engages with the gear of the handle base 122. At this time, the position of the handle 124 is fixed.
  • the air duct 110 may be provided with a sliding groove 112 so that the handle base 122 can slide back and forth in the sliding groove 112 for position adjustment.
  • a knob 114 may be provided on the side of the sliding groove 112, so that the sliding groove 112 can clamp or loosen the handle base 122 by rotating the knob 114 in different directions.
  • the knob 114 can be rotated in one direction to relax the sliding groove 112.
  • the position of the handle 124 can be moved by moving the position of the handle base 122.
  • the knob 114 can be turned in the opposite direction to clamp the sliding groove 112, thereby fixing the position of the handle base 122.

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Abstract

本发明涉及一种电动工具及其控制方法。该控制方法包括：电动工具具有获取单元、控制单元；获取单元获取电动工具的外设状态，外设状态包括电动工具的电源类型和/或结构形态；将外设状态反馈至控制单元，控制单元根据电动工具的外设状态得到电动工具的输出参数，输出参数至少包括第一参数和第二参数，第一参数和第二参数对应不同的外设状态。该电动工具的控制方法，可以根据电动工具的外设状态调整其输出参数，从而使电动工具在不同环境下的输出不同，后坐力也不同，便于用户在不同环境下握持操控电动工具进行工作，提高电动工具的使用性能。

Description

电动工具及其控制方法
本申请要求了申请日为2019年10月22日，申请号为201911005153.4的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及电动工具技术领域，特别是涉及电动工具及其控制方法。
背景技术
园林工具吹风机一般可以用来吹扫落叶、路面灰尘、积水和积雪等，还可以用来森林灭火。
现有的园林吹风机，按照其工作模式，一般可以分为手持式吹风机、背包吹风机及手持背包两用吹风机。
申请人在实现传统技术的过程中发现：现有的手持背包两用吹风机，使用过程中用户难以轻松握持操控机器。
发明内容
基于此，有必要针对传统技术中存在的现有的手持背包两用吹风机，使用过程中用户难以轻松握持操控机器的题，提供一种便于用户握持操控的电动工具及其控制方法。
一种电动工具的控制方法，包括：所述电动工具具有获取单元、控制单元；
所述获取单元获取所述电动工具的外设状态，所述外设状态包括所述电动工具的电源类型和/或结构形态；
将所述外设状态反馈至控制单元，所述控制单元根据所述电动工具的外 设状态得到所述电动工具的输出参数，所述输出参数至少包括第一参数和第二参数，所述第一参数和所述第二参数对应不同的外设状态。
上述电动工具的控制方法，可以根据电动工具的外设状态调整其输出参数，从而使电动工具在不同环境下的输出不同，后坐力也不同，便于用户在不同环境下握持操控电动工具进行工作，提高电动工具的使用性能。
一种电动工具，包括：获取模块，所述获取模块用于获取所述电动工具的外设状态，所述外设状态包括所述电动工具的电源类型和/或结构形态；
与所述获取模块电性连接的控制模块，所述获取模块将外设状态反馈至控制模块，所述控制模块根据所述外设状态得到所述电动工具的输出参数，所述输出参数至少包括第一参数和第二参数，所述第一参数和所述第二参数对应不同的外设状态。
上述电动工具，具有获取模块和控制模块。获取模块可以获取电动工具的外设状态；控制模块可以根据电动工具的外设状态调整其输出参数，从而使电动工具在不同环境下的输出不同，后坐力也不同，便于用户在不同环境下握持操控电动工具进行工作，提高电动工具的使用性能。
附图说明
图1为本申请一个实施例中电动工具的控制方法的流程示意图。
图2为本申请一个实施例中电动工具的控制方法的步骤S100的流程示意图。
图3为本申请另一个实施例中电动工具的控制方法的步骤S100的流程示意图。
图4为本申请又一个实施例中电动工具的控制方法的步骤S100的流程示意 图。
图5为本申请又一个实施例中电动工具的控制方法的步骤S100的流程示意图。
图6是本申请又一个实施例中电动工具的控制方法的步骤S100的流程示意图。
图7为本申请另一个实施例中电动工具的控制方法的流程示意图。
图8为本申请一个实施例中电动工具的模组结构示意图。
图9为本申请又一个实施例中电动工具的模组结构示意图。
图10为本申请一个具体的实施例中电动工具的结构示意图。
图11为本申请另一个具体的实施例中电动工具的结构示意图。
图12为本申请另一个具体的实施例中电动工具的结构示意图。
图13为本申请又一具体的实施例中电动工具的把手及控制装置位置示意图。
其中，各附图标号所代表的含义分别为：
100、吹风机本体；
110、风道；
112、滑槽；
114、旋钮；
120、把手；
122、手柄座；
124、手柄；
126、按钮；
130、控制装置
200、电源；
310、安装座；
320、背包带。
具体实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂，下面结合附图对本发明的具体实施方式做详细的说明。在下面的描述中阐述了很多具体细节以便于充分理解本发明。但是本发明能够以很多不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本发明内涵的情况下做类似改进，因此本发明不受下面公开的具体实施例的限制。
本申请提供一种便于用户握持操控的电动工具及其控制方法。该电动工具包括获取单元、控制单元，该电动工具的控制方法，在电动工具的使用过程中，获取单元获取其外设状态并根据该外设状态调整电动工具的输出参数。该外设状态一般可以包括电动工具的电源类型及结构形态。
优选的，该电动工具包括工具主体、背负装置、电池装置。该电动工具的外设状态具有电池装置设置在背负装置上，以通过背负装置为工具主体供电的背包状态，此时电源类型为背包电源；电池装置设置在工具主体上，以直接为工具主体供电的手持状态，此时电源类型为电池包电源。电动工具处于背负状态时，电动工具以第一参数输出；电工工具处于手持状态时，电动工具以第二参数输出；第一参数大于第二参数，由于电动工具处于手持状态时，所握持的重量大于电动工具处于背包状态时，此时以第二参数输出，后坐力更小，从而便于用户握持操控。
该电动工具主体可以是吹吸装置，吹吸装置主体内设有马达、由马达驱动 的电机，电池装置为马达供电，马达驱动电机实现吹吸功能，此时，处于背包状态时，该电动工具的输出参数为600W-1500W，处于手持状态时，该电动工具的输出参数为150-600W，用户可以根据作业环境进行选择。另外，对于吹吸装置而言，主要通过调节电机的转速来调节输出参数，当然也有通过减速比、扭矩等来调节输出参数的。当然，工具主体的结构不限于此，其还可以是清洗机等其他工具。
一种电动工具的控制方法，如图1所示，包括如下步骤：
S100，获取电动工具的外设状态，外设状态包括电动工具的电源类型和结构形态的至少一个。
由获取单元获取电动工具的外设状态，该外设状态可以包括电动工具的电源类型和结构形态的至少一个。这里的不同电源类型是以电源的电压和容量的大小进行区分。例如，电源类型包括较大电压和较大容量的第一类型，以及较小电压和较小容量的第二类型。
电动工具的外设状态包括背包状态、手持状态，当电动工具的状态不同时，其结构形态一般也不同。这里的结构形态一般可以包括电动工具的把手位置和把手角度等，例如，电动工具把手在某一位置时该电动工具适用于背包状态；而当电动工具的把手在另一位置时该电动工具适用于手持状态，此时，即可根据电动工具的结构形态得到电动工具的工作状态。因此，在本实施例中，电动工具的控制方法可以获取电动工具的外设状态从而得到其工作模式。
S200，将外设状态反馈至控制单元，控制单元根据电动工具的外设状态，得到电动工具的输出参数，输出参数至少包括第一参数和第二参数，第一参数和第二参数对应不同的外设状态。
即根据电动工具的电源类型或/和结构形态，得到电动工具在该外设状态下 的输出参数，从而使电动工具可以根据该输出参数进行输出。一般来说，该输出参数至少包括不同的第一参数和第二参数，第一参数和第二参数对应不同的外设状态。例如，当电动工具的电源类型、电动工具的结构形态对应背包状态时，基于此，可以调整电动工具的输出参数为较大的第一参数。
当电动工具的电源类型、电动工具的结构形态对应手持模式时，基于此，可以调整电动工具的输出参数为较小的第二参数，此时，电动工具的后坐力也会相对较小。
上述电动工具的控制方法，可以识别电源类型的不同或/和结构形态的不同并根据其调节电动工具的输出参数，从而控制电动工具在不同使用状态下，具有不同的输出性能，例如从而控制电动工具在手持状态下输出较小，后坐力较小，便于握持。而在背包状态下，电动工具输出较大，利于电动工具的高强度工作。该电动工具的控制方法，可以控制电动工具在不同环境下的输出参数不同，从而使电动工具更加适应不同的工作环境，提升了电动工具的使用性能。
在一个实施例中，步骤S100中获取电动工具的外设状态可以是获取电动工具的电源类型，如图2所示，其具体可以包括如下步骤：
S112，检测获取电动工具的电源电压或电源容量。
S114，根据电动工具的电源电压或电源容量，匹配与电动工具的电源电压或电源容量对应的电源类型。
电动工具可以获取电源输出的电源电压或电源容量，并将电源的电源电压或电源容量与预设电压或预设容量进行对比，从而根据电动工具的电源电压或电源容量得到对应的电源类型。
例如，电动工具可以获取电源的电源电压，并将电源电压与预设电压进行对比。当电源电压大于预设电压时，根据预设的电源电压与电源类型的对应关 系，得到电源类型。当电源电压小于预设电压时，根据预设的电源电压与电源类型的对应关系，得到电源类型。
电动工具也可以获取电源的电源容量，并将电源容量与预设容量进行对比。当电源容量大于预设容量时，根据预设的电源容量与电源类型的对应关系，得到电源类型。当电源容量小于预设容量时，根据预设的电源容量与电源类型的对应关系，得到电源类型。
更具体来说，当电动工具处于背包或手持的不同状态时，用户可以使用不同的电源对电动工具进行驱动，从而控制电动工具的输出功率，以控制后坐力。在该基础下，当用户在背包状态下使用电动工具时，由于握持的重量较小，可承受电动工具的后坐力较大，可以以第一参数输出，从而得到大的输出功率。当用户在手持状态下使用电动工具时，以第二参数输出，从而得到小的后坐力。
在另一个实施例中，步骤S100中获取电动工具的外设状态可以是获取电动工具的结构形态，如图3所示，其具体可以包括如下步骤：
S122，检测获取电动工具的把手位置。
S124，根据电动工具的把手位置，确定电动工具的结构形态。
把手可以在电动工具上相对电动工具移动，以具有至少两个相对电动工具不同的位置。电动工具可以获取把手相对于电动工具的位置，并将该把手相对于电动工具的位置与预设位置进行对比。当把手相对于电动工具的位置在预设位置的一侧时，得到电动工具结构形态，从而得到相应的工作状态。当把手相对于电动工具的位置预设位置的另一侧时，得到电动工具另一结构形态，从而得到另一相应的工作状态。
更具体来说，众所周知，当电动工具处于背包或手持的不同状态时，适宜把手的位置应当是不同的。在该基础下，设置电动工具的把手为可移动把手， 此时即可通过调节把手位置从而便于在背包和手持状态下使用电动工具。此时，电动工具可以通过获取把手的位置从而得到电动工具的结构形态，进而根据电动工具的结构形态得到电动工具的工作模式。
其中，获取把手相对于电动工具的位置的方法可以是：通过距离传感器检测把手相对于电动工具某一定点的距离，从而得到把手相对于电动工具的位置。也可以是将把手移动的区域设为滑动变阻器，将把手设为移动滑片，从而通过检测滑动变阻器所在电路的电流得到把手相对电动工具的位置。这些都是本领域的惯用技术手段，不再赘述。
在又一个实施例中，步骤S100中获取电动工具的外设状态可以是获取电动工具的结构形态，如图4所示，其具体可以包括如下步骤：
S132，检测获取电动工具的把手角度。
S134，根据电动工具的把手角度，确定电动工具的结构形态。
把手可以在电动工具上相对电动工具转动，以具有至少两个相对电动工具不同的角度。电动工具可以获取把手的旋转角度，并将该把手相对于电动工具的旋转角度与预设角度进行对比。当把手相对于电动工具的旋转角度不小于预设角度时，得到电动工具的结构形态，，从而得到相应的工作状态。当把手相对于电动工具的旋转角度小于预设角度时，得到电动工具的结构形态，以及得到相应的另一工作状态。
更具体来说，众所周知，当电动工具处于背包或手持的不同状态时，适宜把手的角度应当是不同的。在该基础下，设置电动工具的把手为可旋转把手，用于可通过调节把手角度从而便于在背包和手持状态下使用电动工具。此时，电动工具可以通过获取把手的角度从而得到电动工具的结构形态，进而根据电动工具的结构形态得到电动工具的工作状态。
其中，获取把手相对于电动工具的位置的方法可以是通过角度检测传感器获取把手的角度；也可以将把手与电动工具的电连接设置为单刀多掷开关，从而获取把手的不同角度。不再赘述。
在一个具体的实施例中，上述步骤S132和步骤S134，可以设置把手的可旋转角度为5°-85°，具体的，旋转角度可以为5°、10°、15°、20°、50°、55°、60°、65°、70°、75°、80°和85°。在电动工具工作过程中，用户可选择任一角度旋转把手。其中，当把手旋转角度为5°、10°、15°和20°的任意一个时，电动工具得到结构形态，对应于手持状态。反之，当把手旋转角度为50°、55°、60°、65°、70°、75°、80°和85°的任意一个时，电动工具得到结构形态，对应背包状态。
在又一个实施例中，步骤S100中获取电动工具的外设状态可以是获取电动工具的结构形态，如图5所示，其具体可以包括如下步骤：
S142，获取电动工具是否连接安装座。
S144，根据电动工具连接安装座的与否，确定电动工具的结构形态。
具体的，背负装置包括安装座，在本实施例中，电动工具可以获取与安装座的连接状态，并根据与安装座的连接状态确定电动工具的结构形态，进而确定对应于结构形态的工作状态。例如，电动工具可以获取其是否连接安装座，并当电动工具连接安装座时，确定电动工具处于背包状态。当电动工具未连接安装座时，确定电动工具处于手持状态。
一般来说，电动工具是否连接安装座可以通过设置触发器进行检测。例如，触发器可以设置于电动工具用于与安装座连接处。当电动工具连接安装座后，该触发器即被触发，此时即可得到电动工具处于背包状态。反之，当触发器未被触发时，即可得到电动工具处于手持状态。
在其他实施例中，步骤S100中获取电动工具的外设状态可以是获取电动工具的结构形态，如图6所示，其具体可以包括如下步骤：
S152，获取电动工具上是否连接电池连接座；或者获取电池连接座的数量；或者获取电池连接座的大小。
S154，确定电源类型，得到电动工具的结构形态。
具体的，电池装置包括电池包，电池包设有电池连接座用于实现电池包和其他结构的连接，在本实施例中，电动工具可以获取与电池包的连接，并根据电池包的连接状态确认电动工具的结构形态，进而确定对应于结构形态的工具的状态。例如，电动工具可以获取其上连接电池连接座，当电池连接座安装在电动工具上时，即电池包直接安装在电动工具上，此时电动工具处于手持状态，反之，当电动工具上没有安装电池连接座，则电动工具处于背包状态。当然，还可以获取电池连接座的数量，即获取电工工具上连接的电池包的数量，间接获取电池包和电动工具的连接状态。
此外，还可以获取电池连接座的尺寸，对于不同电压的电池包，其电池连接座的尺寸不尽相同，还可以通过识别其尺寸，识别到与电池工具相连的电池包的电压，从而确定电动工具的输出参数。
一般来说，电动工具与电池连接座的连接状态可以通过设置触发器进行检测，当然也可以通过传感器实现。
下面以一个具体的实施例对本申请的电动工具的控制方法进行描述。在该具体的实施例中，电动工具为背包手持两用吹风机。该吹风机的预设电压为20V，预设容量为20A·h。其控制方法包括如下步骤：
首先，吹风机的控制装置获取电源的输出电压或电源容量，并将该输出电压或电源容量与预设电压或预设容量进行对比。以输出电压为15V，电源容量为 15A·h为例，此时，输出电压及电源容量均小于预设电压和预设容量，得到电源类型。另外，吹风机的控制装置还可以获取把手相对吹风机的位置，并根据该位置确定电动工具的结构形态。或者，吹风机的控制装置还可以获取其与安装座的连接与否，并根据吹风机与安装座的连接与否确定电动工作的结构形态。
需要注意的是，上述方案对吹风机外设状态的判断，包括两种判断吹风机电源类型的实施方案和两种判断吹风机结构形态的实施方案。在实际应用中，可以采用上述任意一种方案或多种方案对吹风机的外设状态进行判断。
其次，控制装置根据电源类型或/和结构形态得到吹风机的输出参数。当电源类型和结构形态对应背包模式，控制吹风机的输出参数为第一参数。反之，当电源类型和结构形态对应手持，控制吹风机的输出参数为第二参数。其中，第二参数小于第一参数。
最后，控制吹风机工作。
在一个实施例中，如图7所示，步骤S200之前，还可以包括：
S300，获取电动工具的输出占比。
此时，步骤S200根据电动工具的外设状态，得到电动工具的输出参数，其可以具体为：
S201，根据电动工具的外设状态及输出占比得到电动工具的输出参数。
具体来说，该电动工具的输出占比，可以通过的用户输入进行控制。例如，用户可以通过多档调节控制电动工具的输出占比，也可以通过人机交互系统输入电动工具的输出占比。电动工具的控制装置获取电动工具的输出占比后，根据电动工具的外设状态和输出占比共同得到电动工具的输出参数。
一般来说，该步骤S201具体可以包括：根据电动工具的外设状态得到电动工具的最大输出参数。这里的最大输出参数是是电工工具处于背包模式或者手 持模式时，最大的输出功率
得到电动工具的最大输出参数后，即可根据输出占比调整，得到电动工具的输出参数。即在电动工具在不同的工作状态下，还具有档位选择。
在一个具体的实施例中，该电动工具的控制方法，在步骤S100获取电动工具的外设状态之后，还包括如下步骤：
通过多档调节获取电动工具的输出占比。该多档调节包括一档、二档、三档和四档，一档时输出占比可以是70％，二档时输出占比可以是80％，三档输出占比可以是90％，四档输出占比可以是100％。
根据电动工具的外设状态得到电动工具的最大输出参数，根据输出占比调整，得到电动工具的输出参数。该输出参数为第一参数或者第二参数。以背包状态为例，此时，当电动工具档位为一档时，电动工具的输出参数为最大输出参数的70％；当电动工具档位为二档时，电动工具的输出参数为最大输出参数的80％；当电动工具档位为三档时，电动工具的输出参数为最大输出参数的90％；当电动工具档位为四档时，电动工具的输出参数为最大输出参数。
上述电动工具的控制方法，可以识别电源类型的不同或/和结构形态的不同并根据其调节电动工具的输出参数，从而控制电动工具在手持状态下输出较小，后坐力较小，便于握持。而在背包状态下，电动工具输出较大，利于电动工具的高强度工作。该电动工具的控制方法，可以控制电动工具在不同环境下的输出参数不同，从而避免了电动工具的输出参数和后坐力一成不变，使电动工具便于用户在不同环境下操控握持，进而提升了电动工具的使用性能。同时，该电动工具还可以通过手动控制电动工具的输出占比，使用户使用更加方便。
本申请实施例还提供了一种电动工具，如图8所示，包括：获取模块和控制模块。
获取模块，获取模块用于获取电动工具的外设状态，外设状态包括电动工具的电源类型和/或结构形态；
控制模块与获取模块电性连接，获取模块将外设状态反馈至控制模块，控制模块根据外设状态得到电动工具的输出参数，输出参数至少包括第一参数和第二参数，第一参数和第二参数对应不同的外设状态。
一般来说，本申请中，电动工具的输出参数应至少包括第一参数和第二参数，第一参数和第二参数分别对应不同的外设状态。
在一个实施例中，如图9所示，该电动工具还包括输入模块。
具体的，输入模块与控制模块电性连接，用于向控制模块输入电动工具的输出占比。该输入模块可以是一多档位调节装置，也可以是可以输入信息的人机交互装置。
获取模块可以是角度传感器，用于检测把手角度。或者，获取模块也可以是触发器，用于检测电动工具与安装座的连接与否。不再赘述。
获取模块也可以是电压/容量检测器，安装于电动工具的电源连接处，从而用于检测电动工具的电源的电压大小或容量大小。
以下从具体的实施例对本申请的电动工具进行说明。该具体的实施例中，电动工具为一背包手持两用吹风机。
如图10所示，一种背包手持两用吹风机，包括：吹风机本体100、与吹风机本体100相连通的风道110、设于风道110上的把手120、电源200、安装座310及背包带320。
吹风机本体100用于生成风并通过风道110将其排出。吹风机本体100内可以设有用于控制的控制装置及用于旋转的电机。
把手120设于吹风机的风道110上，属于吹风机的外设模块之一。把手120 用于握持。在该实施例中，把手120应可以沿吹风机风道110进行位置调节，从而便于用户使用。
电源200与吹风机本体100活动连接设置。例如，电源200可以和吹风机本体100通过卡扣连接。这里的电源200可以包括背包电源和电池包电源，从而适应吹风机的不同需求。其中，背包电源的容量和电压较大，适用于背包状态；电池包电源的容量和电压较小，适用于手持状态。
背包电源还包括安装座310，安装座310与吹风机本体100均活动连接，以使吹风机本体100可以使用电池包电源，独立工作，也可以与安装座310安装，与背包电源相连，由用户辅助背负工作。
该吹风机的控制装置被配置为：获取电源200的类型及把手120位置，并根据电源200的类型及把手120位置得到吹风机的输出参数，从而根据输出参数控制电动工具工作。
该吹风机工作时，控制装置获取吹风机的把手120位置及电源200的类型。当电源200的电压或者容量较小，且把手120位置所对应的吹风机工作状态为手持状态时，控制装置可以控制吹风机的输出参数较小，从而使吹风机的后坐力较小。反之，当电源200的电压或者容量较大，且把手120位置所对应的吹风机工作状态为背包状态时，控制装置可以控制吹风机的输出参数较大，从而使吹风机的输出功率较大。该吹风机，便于用户在不同环境下握持操控电动工具进行工作，使用性能高。
在又一个具体的实施例中，该吹风机还可以设有输入装置，该输入装置为一多档调节装置。多档调节装置设于吹风机把手120上，并与控制装置电性连接。该输入装置可以向控制装置输入吹风机的输出占比，从而进一步控制吹风机的输出功率的大小。
在又一个具体的实施例中，把手120还可以设为可转动把手，从而便于在手持状态和背包状态下均能舒适地进行握持操作。
如图11和图12所示，把手120可以包括用于与风道110连接的手柄座122及设于手柄座122上的手柄124。把手120还可以包括设于手柄124和手柄座122的连接处的按钮126。其中，手柄124与手柄座122可以通过齿轮咬合，以当按钮126按下时，手柄124的齿轮与手柄座122的齿轮分离，手柄124可以绕其齿轮的轴线转动。如图11所示，手柄124可以通过旋转，位于位置A或位置B的任意一个。当按钮126复位时，手柄124的齿轮与手柄座122的齿轮咬合，此时，手柄124的位置固定。
风道110上可以设置有滑槽112，以使手柄座122可以在滑槽112内前后滑动，进行位置调节。滑槽112侧面可以设置有旋钮114，从而通过向不同方向旋转旋钮114使滑槽112对手柄座122进行夹紧或放松。滑槽112夹紧时，手柄座122不可沿滑槽112进行前后滑动；滑槽112放松时，手柄座122可以沿滑槽112前后滑动。当要移动手柄124位置时，可以沿一个方向转动旋钮114，使滑槽112放松，此时，即可通过移动手柄座122位置移动手柄124的位置。完成移动后，即可反方向转动旋钮114，使滑槽112夹紧，从而固定手柄座122位置。
在另一个具体的实施例中，如图13所示，把手还可以设为与吹风机本体相连的D型把手，从而便于用户对吹风机本体的握持。同时，吹风机的控制装置130也可以设在吹风机的风道110中，从而便于控制装置130的散热。
以上实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (11)

  1. 一种电动工具的控制方法，其特征在于，包括：所述电动工具具有获取单元、控制单元；
    所述获取单元获取所述电动工具的外设状态，所述控制单元根据获取到的所述外设形态，确定所述电动工具的电源类型和/或结构形态；
    确定所述电源类型为根据检测到的所述电动工具接入的电源电压或电源容量，所述控制单元确定与所述电动工具对应的电源类型；
    确定所述电动工具的结构形态为根据检测到的所述电动工具的把手位置或手把角度，所述控制单元确定所述电动工具的结构形态；
    将所述外设状态反馈至控制单元，所述控制单元根据所述电动工具的外设状态得到所述电动工具的输出参数，所述输出参数至少包括第一参数和第二参数，所述第一参数和所述第二参数对应不同的外设状态。
  2. 根据权利要求1所述的控制方法，其特征在于，所述电动工具的电源具有可选择安装的安装座，所述获取单元获取所述电动工具的外设状态，包括：
    获取所述电动工具的结构形态；
    所述获取所述电动工具的结构形态，包括：
    获取所述电动工具是否连接安装座；
    所述控制单元根据所述电动工具连接所述安装座的与否，确定所述电动工具的结构形态。
  3. 根据权利要求1所述的控制方法，其特征在于，所述电动工具的电源具有可选择安装的电池连接座，所述获取单元获取所述电动工具的外设状态，包括：
    获取所述电动工具的结构形态；
    所述获取所述电动工具的结构形态，包括：
    获取所述电动工具上是否连接电池连接座，以确定电源类型，得到所述电动工具的结构形态；
    或者获取所述电池连接座的数量，以确定电源类型，得到所述电动工具的结构形态；
    或者获取所述电池连接座的大小，以确定电源类型，得到所述电动工具的结构形态。
  4. 根据权利要求1所述的控制方法，其特征在于，
    所述电动工具的控制方法还包括：获取所述电动工具的输出占比，
    根据所述电动工具的外设状态以及输出占比得到所述电动工具的输出参数。
  5. 根据权利要求4所述的控制方法，其特征在于，所述根据所述电动工具的外设状态及所述输出占比得到所述电动工具的输出参数，包括：
    根据所述电动工具的外设状态得到所述电动工具的最大输出参数；
    所述最大输出参数结合所述输出占比，得到所述电动工具的输出参数。
  6. 根据权利要求1所述的控制方法，其特征在于：所述电动工具包括工具主体、背负装置、电池装置，所述电动工具的外设状态具有所述电池装置设置在所述背负装置上，以通过所述背负装置为所述工具主体供电的背包状态；所述电池装置设置在所述工具主体上，以直接为所述工具主体供电的手持状态；
    所述电动工具处于背负状态时，所述电动工具以第一参数输出；
    所述电工工具处于手持状态时，所述电动工以第二参数输出；
    所述第一参数大于所述第二参数。
  7. 根据权利要求6所述的控制方法，其特征在于：
    所述工具主体为吹吸装置主体，所述吹吸装置主体内设有马达、由所述马 达驱动的电机，所述电池装置为所述马达供电。
  8. 一种电动工具，其特征在于，包括：
    获取模块，所述获取模块用于获取所述电动工具的外设状态，所述外设状态包括所述电动工具的电源类型和/或结构形态；
    与所述获取模块电性连接的控制模块，所述获取模块将外设状态反馈至控制模块，所述控制模块根据所述外设状态得到所述电动工具的输出参数，所述输出参数至少包括第一参数和第二参数，所述第一参数和所述第二参数对应不同的外设状态。
  9. 根据权利要求8所述的电动工具，其特征在于，还包括：
    输入模块，与所述控制模块电性连接，用于向所述控制模块输入所述电动工具的输出占比。
  10. 根据权利要求8所述的电动工具，其特征在于，所述电动工具包括工具主体、背负装置、电池装置，所述电动工具的外设状态具有电池装置设置在背负装置上，以通过背负装置为工具主体供电的背包状态；电池装置设置在工具主体上，以直接为工具主体供电的手持状态；
    所述电动工具处于背负状态时，所述电动工具以第一参数输出；
    所述电工工具处于手持状态时，所述电动工具以第二参数输出；
    所述第一参数大于所述第二参数。
  11. 根据权利要求10所述的控制方法，其特征在于：
    所述工具主体为吹吸装置主体，所述吹吸装置主体内设有马达、由所述马达驱动的电机，所述电池装置为所述马达供电。
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