WO2009100673A1 - 两用便携式手持电动工具、移动电动工具、园林工具、木工工具 - Google Patents

两用便携式手持电动工具、移动电动工具、园林工具、木工工具 Download PDF

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Publication number
WO2009100673A1
WO2009100673A1 PCT/CN2009/070342 CN2009070342W WO2009100673A1 WO 2009100673 A1 WO2009100673 A1 WO 2009100673A1 CN 2009070342 W CN2009070342 W CN 2009070342W WO 2009100673 A1 WO2009100673 A1 WO 2009100673A1
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WO
WIPO (PCT)
Prior art keywords
tool
power source
tool body
dual
rechargeable battery
Prior art date
Application number
PCT/CN2009/070342
Other languages
English (en)
French (fr)
Inventor
Weiliang Jiang
Original Assignee
Weiliang Jiang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CNU2008200833284U external-priority patent/CN201172206Y/zh
Priority claimed from CNU200820083327XU external-priority patent/CN201161377Y/zh
Application filed by Weiliang Jiang filed Critical Weiliang Jiang
Publication of WO2009100673A1 publication Critical patent/WO2009100673A1/zh

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Classifications

    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage

Definitions

  • Dual-use portable handheld power tools mobile power tools, garden tools, woodworking tools
  • the utility model relates to a hand-held power tool, a mobile power tool, a garden tool and a woodworking tool, in particular to an improvement of a hand-held power tool, a mobile power tool, a garden tool, a motor for a woodworking tool and a power source.
  • the work of hand-held power tools, mobile power tools, garden tools, and woodworking tools is to use electric motors to convert electrical energy into mechanical energy, and to rotate or move related tools to complete related work. These products are currently using series motors.
  • the mains supply is AC
  • the rechargeable battery is DC. Therefore, the rechargeable battery cannot be used with the power tool of the mains. The electric power of the rechargeable battery cannot be used for the mains.
  • One power tool can only use one type of power supply.
  • the series excitation motor has serious toner pollution, large working noise, and the service life of the commutator is only a few hundred hours. The life of the commutator and carbon brush directly restricts the life of the whole product.
  • the series excitation motor can't do precise double closed loop control; because the speed control function uses the conduction angle of the thyristor to control the voltage, the series excitation motor has a relatively low torque at low speed; the series excitation motor cannot achieve precise high speed brake.
  • the hand-held power tool itself includes both the motor and the controller.
  • the battery also includes the weight of the battery. This integrated structure causes the tool to be heavy and bulky, and the worker is labor intensive and easy to work. Fatigue, affecting work efficiency.
  • the purpose of the utility model is to solve the problems in the prior art, and propose a dual-purpose portable hand-held power tool, a mobile power tool, a garden tool, a woodworking tool, can be operated by the utility power and the battery, and can reduce the work intensity of the worker. Improve work efficiency and extend product life.
  • the utility model provides a plug-in dual-purpose portable hand-held power tool, which comprises a split tool body, a power source and a rechargeable battery.
  • the tool body adopts a DC motor
  • the power source adopts an electronic transformer or
  • the switching power supply is powered by the mains, and the tool body is connected with the power source.
  • the charging battery is provided with a charging port and a discharging port, and the discharging port is connected with the tool body.
  • the power source is provided with a charging circuit, and the output port of the charging circuit is a charging port, and the charging port on the charging battery is plugged into the charging port on the power source.
  • the DC motor uses a permanent magnet brushless DC motor.
  • a fixing mechanism is further included, and the rechargeable battery is disposed on the fixing mechanism.
  • the fixing mechanism comprises an enclosing body and two connecting straps, wherein the rechargeable battery is placed in the bag body, and one end of the two connecting straps is fixed on the bag body, and the other end can be fastened to each other.
  • the ends of the two connecting straps are respectively provided with corresponding snaps and buckles for fastening connection.
  • the fixing mechanism comprises an enclosing body and a belt buckle
  • the rechargeable battery is placed in the bag body
  • the belt buckle is generally V-shaped
  • an outer side is connected with the bag body
  • the middle opening is reversely buckled on the waist belt.
  • the utility model also provides a fixed dual-purpose portable hand-held power tool, comprising a tool body, a power source and a rechargeable battery, wherein the tool body adopts a DC motor, and the power source adopts an electronic transformer or a switching power supply.
  • the power source is powered by the mains, the power source is fixedly connected with the tool body, and the rechargeable battery is fixedly connected with the tool body.
  • the utility model also provides a dual-purpose portable hand-held power tool, comprising a tool body, a power source and a rechargeable battery, wherein the tool body adopts a DC motor, and the power source adopts an electronic transformer or a switching power source, and the power source is powered by the city.
  • the utility model is electrically connected, and the tool body is fixedly connected with the power source.
  • the charging battery is provided with a charging port and a discharging port, and the discharging port is plugged into the tool body.
  • the utility model also provides a dual-purpose portable hand-held power tool, comprising a tool body, a power source and a rechargeable battery, wherein the tool body adopts a DC motor, and the power source adopts an electronic transformer or a switching power source, and the power source Powered by the mains, the tool body is connected to the power source, and the rechargeable battery is fixedly connected to the tool body.
  • the utility model provides a dual-purpose portable mobile power tool, which comprises a separate appliance body, a power source and a rechargeable battery.
  • the appliance body adopts a DC motor
  • the power source adopts an electronic transformer or a switching power supply.
  • the power source is powered by the mains, the main body of the appliance is plugged or connected with the power source, and the charging battery is provided with a charging port and a discharging port, and the discharging port is connected with the device body or the wire is fixedly connected.
  • the power source is provided with a charging circuit, and the output port of the charging circuit is a charging port, and the charging port on the charging battery is plugged into the charging port on the power source.
  • the DC motor uses a permanent magnet brushless DC motor.
  • a fixing mechanism is further included, and the rechargeable battery is disposed on the fixing mechanism.
  • the fixing mechanism comprises an enclosing body and two connecting straps, wherein the rechargeable battery is placed in the bag body, and one end of the two connecting straps is fixed on the bag body, and the other end can be fastened to each other.
  • the ends of the two connecting straps are respectively provided with corresponding snaps and buckles for fastening connection.
  • the fixing mechanism comprises an enclosing body and a belt buckle
  • the rechargeable battery is placed in the bag body
  • the belt buckle is generally V-shaped
  • an outer side is connected with the bag body
  • the middle opening is reversely buckled on the waist belt.
  • the utility model also provides a dual-purpose portable garden tool, comprising a separate appliance body, a power source and a rechargeable battery, wherein the appliance body adopts a DC motor, and the power source adopts an electronic transformer or a switching power supply.
  • the power source is powered by the mains, the main body of the appliance is plugged or connected with the power source, and the charging battery is provided with a charging port and a discharging port, and the discharging port is connected with the device body or the wire is fixedly connected.
  • the utility model also provides a dual-purpose portable woodworking tool, comprising a separate appliance body, a power source and a rechargeable battery, wherein the appliance body adopts a DC motor, and the power source adopts an electronic transformer or a switching power supply.
  • the power source is powered by the mains, and the main body of the appliance is plugged or connected with the power source.
  • the charging battery is provided with a charging port and a discharging port, and the discharging port is connected with the device body or the wire is fixedly connected.
  • the utility model has the following advantages: 1
  • the tool body of the utility model can adopt two working power sources of utility power and battery, and the power source and the rechargeable battery and the tool body adopt a split structure or a fixed split structure, and the user only needs to carry the weight when using.
  • the lighter tool body can work, greatly reducing labor intensity, alleviating work fatigue and improving work efficiency.
  • the permanent magnet brushless DC motor is used on the tool body, and the original mechanical commutator is replaced by electronic commutation, which greatly improves the service life of the tool. No toner pollution, low noise, accurate double closed loop control, more energy efficient, safer and more flexible than series motor, no interference to other equipment during work. Achieve precise high speed braking.
  • FIG. 1 is a schematic structural view of a first embodiment of a dual-purpose portable hand-held power tool, a mobile power tool, a garden tool, and a woodworking tool according to the present invention
  • FIG. 2 is a schematic structural view of a second embodiment of a dual-purpose portable hand-held power tool, a mobile power tool, a garden tool, and a woodworking tool;
  • FIG. 3 is a schematic structural view of a third embodiment of a dual-purpose portable hand-held power tool, a mobile power tool, a garden tool, and a woodworking tool according to the present invention
  • FIG. 4 is a schematic structural view of a fourth embodiment of a dual-purpose portable hand-held power tool, a mobile power tool, a garden tool, and a woodworking tool according to the present invention
  • FIG. 5 is a schematic structural view of a fifth embodiment of a dual-purpose portable hand-held power tool, a mobile power tool, a garden tool, and a woodworking tool according to the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • plug-in dual-use portable handheld power tools mobile power tools, garden tools, woodworking tools (such as: electric angle grinder, hand drill, electric punching, lawn mower, lawn trimmer, electric planer Etc), including splits
  • the charging battery 3 is provided with a charging port 32 and a discharging port 31, and the discharging port 31 is connected to the tool body 1 in a plug-in manner.
  • the power source 2 is provided with a charging circuit.
  • the output port of the charging circuit is a charging port 22, and the charging port 32 of the rechargeable battery 3 is plugged into the charging port 22 of the power source 2.
  • the DC motor uses a permanent magnet brushless DC motor.
  • a fixing mechanism is also included, and the rechargeable battery 3 is disposed on the fixing mechanism.
  • the fixing mechanism comprises an enclosing body 33 and two connecting strips 34.
  • the rechargeable battery 3 is placed in the bag body 33.
  • One end of the two connecting strips 34 is fixed on the bag body 33, and the other end can be fastened to each other.
  • the ends of the two connecting straps 34 are respectively provided with corresponding buckles 35 and buckles 36 for fastening connection.
  • the rechargeable battery 3 can also be placed directly on the table or the ground without using a fixing mechanism.
  • the rechargeable battery 3 can be plugged into the power source 2 for charging, or can be charged by an external charger.
  • the rechargeable battery 3 uses a nickel-cadmium battery pack or a nickel-hydrogen battery pack or a lithium ion battery pack or a lead-acid battery.
  • the power plug 23 When the power source 2 is used, the power plug 23 is connected to the mains, and the DC output port 21 is plugged into the DC input port 11 of the tool body 1, and the tool body 1 works normally.
  • the rechargeable battery 3 When the rechargeable battery 3 is operated, the DC input port 11 of the tool body 1 is inserted into the discharge port 31 of the rechargeable battery 3, and the rechargeable battery 3 is attached to the waist of the operator through the two-stage connecting belt 34, thereby reducing the weight of the hand-held portion. It is also easy to operate the tool without using AC power.
  • charging the battery 3 requires charging, directly connect the charging port 32 of the rechargeable battery 3 to the charging port 22 of the power source 2 to charge.
  • the tool body 1 can be directly operated by the mains power supply, or can be powered by the rechargeable battery 3 alone.
  • the permanent magnet brushless DC motor comprises an electronic switch circuit, a rotor position detecting circuit and a motor body, and the electronic switch circuit, the motor body and the rotor position detecting circuit sequentially form a closed loop.
  • the main function of the electronic switch circuit is to control the energization sequence and time of each phase winding of the stator of the motor body, which is mainly composed of a power tube, a drive circuit and a rotor position signal processing module.
  • the main function of the rotor position detection circuit is to detect the rotor position in real time, providing a basis for commutation.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the fixing mechanism used on the rechargeable battery 3 includes an enclosure 33 and a belt buckle 37.
  • the rechargeable battery 3 is placed in the bag body 33, and the waistband buckle 37 is generally V-shaped, one outer side and the outer bag.
  • the body 33 is connected, and the intermediate opening can be buckled on the belt.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • the fixed dual-purpose portable hand-held power tool, the mobile power tool, the garden tool, and the woodworking tool include a tool body 1, a power source 2, a rechargeable battery 3, and the tool body 1 is a DC motor.
  • the power source 2 is an electronic transformer or a switching power supply.
  • the power source 2 is powered by the mains.
  • the power source 2 is fixedly connected to the tool body 1, and the rechargeable battery 3 and the tool body 1 are fixedly connected by wires.
  • the tool body 1 and the power source 2 and the rechargeable battery 3 are fixedly connected by wires, and the user only needs to hold the tool body 1 to operate normally.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • a dual-purpose portable hand-held power tool including a tool body 1, a power source 2, a rechargeable battery 3, a DC motor on the tool body 1, and a power source 2
  • the electronic transformer or the switching power supply the power source 2 is powered by the mains, the tool body 1 and the power source 2 are fixedly connected by wires, the charging battery 3 is provided with a charging port 32 and a discharging port 31, and the discharging port 31 is plugged with the tool body 1 connection.
  • the tool body 1 and the power source 2 are fixedly connected by wires, and the user only needs to hold the tool body 1 to operate normally.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • a dual-purpose portable hand-held power tool including a tool body 1, a power source 2, a rechargeable battery 3, a DC motor, a power source on the tool body 1 2
  • the electronic transformer or the switching power supply is used, the power source 2 is powered by the mains, the tool body 1 is plugged into the power source 2, and the rechargeable battery 3 and the tool body 1 are fixedly connected by wires.
  • the tool body 1 and the rechargeable battery 3 are fixedly connected by wires, and the user only needs to hold the tool body 1 to operate normally.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Battery Mounting, Suspending (AREA)

Description

两用便携式手持电动工具、 移动电动工具、 园林工具、 木工工具
【技术领域】
本实用新型涉及手持电动工具、 移动电动工具、 园林工具、 木工工具， 尤其涉及 手持电动工具、 移动电动工具、 园林工具、 木工工具用电机及动力源的改进。
【背景技术】
手持电动工具、 移动电动工具、 园林工具、 木工工具的工作都是采用电机将电能 转化为机械能， 使相关工具转动或移动， 来完成相关工作。 这类产品目前都是采用串 励电机。
现有技术存在诸多不可克服的缺陷：
1.因为市电是交流电， 充电电池是直流电， 因此， 采用市电的电动工具就不能采 用充电电池， 采用充电电池的电动工具就不能采用市电， 一个电动工具只能采用一种 电源。
2.串励电机的碳粉污染严重， 工作噪声大， 且换向器使用寿命只有几百个小时， 换向器和碳刷的寿命直接制约着整个产品的寿命。串励电机做不到精确的双闭环控制； 因为调速功能是用可控硅的导通角来控制电压的， 所以串励电机低速时扭矩比较小； 串励电机不能实现精确高速刹车。
3.手持式电动工具本身既包括电机， 又包括控制器， 采用电池的还包括电池的重 量， 这种一体的结构导致工具的重量很重， 体积很大， 工人的劳动强度大， 易造成工 作疲劳， 影响工作效率。
【发明内容】
本实用新型的目的就是解决现有技术中的问题， 提出一种两用便携式手持电动工 具、 移动电动工具、 园林工具、 木工工具， 能够采用市电和电池工作， 并且能够减轻 工人的工作强度， 提高工作效率， 延长产品寿命。
为实现上述目的， 本实用新型提出了一种插接式两用便携式手持电动工具， 包括 分体的工具本体、 动力源、 充电电池， 所述工具本体上采用直流电机， 动力源采用电 子变压器或开关电源， 动力源由市电供电， 工具本体与动力源插接式连接， 充电电池 上设置有充电口和放电口， 放电口与工具本体插接式连接。
作为优选， 所述动力源上设置有充电电路， 充电电路的输出端口为充电端口， 充 电电池上的充电口与动力源上的充电端口插接式连接。
作为优选， 所述直流电机采用永磁无刷直流电机。 作为优选， 还包括固定机构， 所述充电电池设置在固定机构上。
作为优选， 所述固定机构包括包体和两段连接带， 所述充电电池放置于包体内， 两段连接带的一端固定在包体上， 另一端可相互扣接。
作为优选， 两根连接带的端部分别设置相对应的卡扣和扣座进行扣接连接。
作为优选， 所述固定机构包括包体和腰带卡扣， 所述充电电池放置于包体内， 腰 带卡扣整体呈 V形， 一外侧与包体连接， 中间开口处可倒扣在腰带上。
为实现上述目的， 本实用新型还提出了一种固定式两用便携式手持电动工具， 包 括工具本体、 动力源、 充电电池， 所述工具本体上采用直流电机， 动力源采用电子变 压器或开关电源， 动力源由市电供电， 动力源与工具本体固定连接， 充电电池与工具 本体固定连接。
为实现上述目的，本实用新型还提出了两用便携式手持电动工具，包括工具本体、 动力源、 充电电池， 所述工具本体上采用直流电机， 动力源采用电子变压器或开关电 源， 动力源由市电供电， 工具本体与动力源固定连接， 充电电池上设置有充电口和放 电口， 放电口与工具本体插接式连接。
为实现上述目的， 本实用新型还提出了一种两用便携式手持电动工具， 包括工具 本体、 动力源、 充电电池， 所述工具本体上采用直流电机， 动力源采用电子变压器或 开关电源， 动力源由市电供电， 工具本体与动力源插接式连接， 充电电池与工具本体 固定连接。
为实现上述目的， 本实用新型提出了一种两用便携式移动电动工具， 包括分体的 器具本体、 动力源、 充电电池， 所述器具本体上采用直流电机， 动力源采用电子变压 器或开关电源，动力源由市电供电，器具本体与动力源插接式连接或者导线固定连接， 充电电池上设置有充电口和放电口，放电口与器具本体插接式连接或者导线固定连接。
作为优选， 所述动力源上设置有充电电路， 充电电路的输出端口为充电端口， 充 电电池上的充电口与动力源上的充电端口插接式连接。
作为优选， 所述直流电机采用永磁无刷直流电机。
作为优选， 还包括固定机构， 所述充电电池设置在固定机构上。
作为优选， 所述固定机构包括包体和两段连接带， 所述充电电池放置于包体内， 两段连接带的一端固定在包体上， 另一端可相互扣接。
作为优选， 两根连接带的端部分别设置相对应的卡扣和扣座进行扣接连接。
作为优选， 所述固定机构包括包体和腰带卡扣， 所述充电电池放置于包体内， 腰 带卡扣整体呈 V形， 一外侧与包体连接， 中间开口处可倒扣在腰带上。 为实现上述目的， 本实用新型还提出了一种两用便携式园林工具， 包括分体的器 具本体、 动力源、 充电电池， 所述器具本体上采用直流电机， 动力源采用电子变压器 或开关电源， 动力源由市电供电， 器具本体与动力源插接式连接或者导线固定连接， 充电电池上设置有充电口和放电口，放电口与器具本体插接式连接或者导线固定连接。 为实现上述目的， 本实用新型还提出了一种两用便携式木工工具， 包括分体的器具本 体、 动力源、 充电电池， 所述器具本体上采用直流电机， 动力源采用电子变压器或开 关电源， 动力源由市电供电， 器具本体与动力源插接式连接或者导线固定连接， 充电 电池上设置有充电口和放电口， 放电口与器具本体插接式连接或者导线固定连接。
本实用新型的有益效果： ①本实用新型的工具本体可以采用市电和电池两种工作 电源， 动力源及充电电池与工具本体采用接插或固定的分体结构， 用户使用时只需要 手持重量较轻的工具本体就能够工作， 大大减轻了劳动强度， 缓解了工作疲劳， 提高 了工作效率。 ②工具本体上采用永磁无刷直流电机， 采用电子换向取代了原来的机械 换向器， 大大提高了工具的使用寿命。 无碳粉污染， 工作噪声小， 采用精确的双闭环 控制， 比串励电机更加节能， 更安全， 更灵活， 工作过程中对其他设备无干扰。 能够 实现精确高速刹车。
本实用新型的特征及优点将通过实施例结合附图进行详细说明。
【附图说明】
图 1为本实用新型两用便携式手持电动工具、 移动电动工具、 园林工具、 木工工 具实施例一的结构示意图；
图 2为本实用新型两用便携式手持电动工具、 移动电动工具、 园林工具、 木工工 具实施例二的结构示意图；
图 3为本实用新型两用便携式手持电动工具、 移动电动工具、 园林工具、 木工工 具实施例三的结构示意图；
图 4为本实用新型两用便携式手持电动工具、 移动电动工具、 园林工具、 木工工 具实施例四的结构示意图；
图 5为本实用新型两用便携式手持电动工具、 移动电动工具、 园林工具、 木工工 具实施例五的结构示意图。
【具体实施方式】
实施例一：
如图 1所示， 插接式两用便携式手持电动工具、 移动电动工具、 园林工具、 木工 工具 （如： 电动角磨机、 手电钻、 电冲剪、 割草机、 草坪修剪机、 电刨等）， 包括分体 的工具本体 1、 动力源 2、 充电电池 3， 所述工具本体 1上采用直流电机， 动力源 2采 用电子变压器或开关电源，动力源 2由市电供电，工具本体 1与动力源 2插接式连接， 充电电池 3上设置有充电口 32和放电口 31， 放电口 31与工具本体 1插接式连接。 所 述动力源 2上设置有充电电路， 充电电路的输出端口为充电端口 22， 充电电池 3上的 充电口 32与动力源 2上的充电端口 22插接式连接。 所述直流电机采用永磁无刷直流 电机。 还包括固定机构， 所述充电电池 3设置在固定机构上。 所述固定机构包括包体 33和两段连接带 34，所述充电电池 3放置于包体 33内，两段连接带 34的一端固定在 包体 33上， 另一端可相互扣接。两根连接带 34的端部分别设置相对应的卡扣 35和扣 座 36进行扣接连接。 充电电池 3也可以不采用固定机构而直接放置在台面或地面上。 充电电池 3可以插在动力源 2上充电， 也可以采用外部充电器进行充电。 所述充电电 池 3采用镍镉电池组或者镍氢电池组或者锂离子电池组或者铅酸蓄电池。
采用动力源 2工作时， 其电源插头 23连接到市电， 直流输出口 21插接到工具本 体 1上的直流输入口 11， 工具本体 1正常工作。 采用充电电池 3工作时， 工具本体 1 上的直流输入口 11插接到充电电池 3的放电口 31， 充电电池 3通过两段连接带 34系 在操作人员的腰部， 减轻了手持部分的重量， 不采用交流电源也能够很轻松地操作工 具进行工作。 充电电池 3需要充电时， 直接将充电电池 3的充电口 32插接到动力源 2 的充电端口 22， 进行充电。 该工具本体 1可以直接由市电供电工作， 也可以单独采用 充电电池 3供电工作。
所述永磁无刷直流电机包括电子开关电路、 转子位置检测电路和电机本体， 所述 电子开关电路、 电机本体、 转子位置检测电路依次构成闭合回路。 所述电机本体上同 轴的外部电枢和内部电枢，外部电枢为定子或转子， 内部电枢为相对应的转子或定子， 转子为永磁体。 电子开关电路主要作用是控制电机本体定子各相绕组的通电顺序和时 间， 主要由功率管、 驱动电路以及转子位置信号处理模块构成。 转子位置检测电路主 要作用是实时检测转子位置， 为换相提供依据。
实施例二：
如图 2所示， 充电电池 3上所采用的固定机构包括包体 33和腰带卡扣 37， 所述 充电电池 3放置于包体 33内， 腰带卡扣 37整体呈 V形， 一外侧与包体 33连接， 中间 开口处可倒扣在腰带上。
实施例三：
如图 3所示， 固定式两用便携式手持电动工具、 移动电动工具、 园林工具、 木工 工具， 包括工具本体 1、 动力源 2、 充电电池 3， 所述工具本体 1上采用直流电机， 动 力源 2采用电子变压器或开关电源， 动力源 2由市电供电， 动力源 2与工具本体 1固 定连接， 充电电池 3与工具本体 1通过导线固定连接。 工具本体 1与动力源 2和充电 电池 3通过导线固定连接， 用户操作时仅仅需要持有工具本体 1就可以正常工作。
实施例四：
如图 4所示， 两用便携式手持电动工具、 移动电动工具、 园林工具、 木工工具， 包括工具本体 1、 动力源 2、 充电电池 3， 所述工具本体 1上采用直流电机， 动力源 2 采用电子变压器或开关电源， 动力源 2由市电供电， 工具本体 1与动力源 2通过导线 固定连接， 充电电池 3上设置有充电口 32和放电口 31， 放电口 31与工具本体 1插接 式连接。 工具本体 1与动力源 2通过导线固定连接， 用户操作时仅仅需要持有工具本 体 1就可以正常工作。
实施例五：
如图 5所示， 一种两用便携式手持电动工具、 移动电动工具、 园林工具、 木工工 具， 包括工具本体 1、 动力源 2、 充电电池 3， 所述工具本体 1上采用直流电机， 动力 源 2采用电子变压器或开关电源， 动力源 2由市电供电， 工具本体 1与动力源 2插接 式连接， 充电电池 3与工具本体 1通过导线固定连接。 工具本体 1与充电电池 3通过 导线固定连接， 用户操作时仅仅需要持有工具本体 1就可以正常工作。
上述实施例是对本实用新型的说明， 不是对本实用新型的限定， 任何对本实用新 型简单变换后的方案均属于本实用新型的保护范围。

Claims

权利要求
1. 插接式两用便携式手持电动工具， 其特征在于： 包括分体的工具本体、 动 力源、 充电电池， 所述工具本体上采用直流电机， 动力源采用电子变压器或开关电 源， 动力源由市电供电， 工具本体与动力源插接式连接， 充电电池上设置有充电口 和放电口， 放电口与工具本体插接式连接。
2. 如权利要求 1所述的插接式两用便携式手持电动工具， 其特征在于： 所述 动力源上设置有充电电路， 充电电路的输出端口为充电端口， 充电电池上的充电口 与动力源上的充电端口插接式连接。
3. 如权利要求 1所述的插接式两用便携式手持电动工具， 其特征在于： 所述 直流电机采用永磁无刷直流电机。
4. 如权利要求 1所述的插接式两用便携式手持电动工具， 其特征在于： 还包 括固定机构， 所述充电电池设置在固定机构上。
5. 如权利要求 4所述的插接式两用便携式手持电动工具， 其特征在于： 所述 固定机构包括包体和两段连接带， 所述充电电池放置于包体内， 两段连接带的一端 固定在包体上， 另一端可相互扣接。
6. 如权利要求 5所述的插接式两用便携式手持电动工具， 其特征在于： 两根 连接带的端部分别设置相对应的卡扣和扣座进行扣接连接。
7. 如权利要求 4所述的插接式两用便携式手持电动工具， 其特征在于： 所述 固定机构包括包体和腰带卡扣，所述充电电池放置于包体内，腰带卡扣整体呈 V形， 一外侧与包体连接， 中间开口处可倒扣在腰带上。
8. 固定式两用便携式手持电动工具， 其特征在于： 包括工具本体、 动力源、 充电电池， 所述工具本体上采用直流电机， 动力源采用电子变压器或开关电源， 动 力源由市电供电， 动力源与工具本体通过导线固定连接， 充电电池与工具本体通过 导线固定连接。
9. 两用便携式手持电动工具， 其特征在于： 包括工具本体、 动力源、 充电电 池， 所述工具本体上采用直流电机， 动力源采用电子变压器或开关电源， 动力源由 市电供电， 工具本体与动力源通过导线固定连接， 充电电池上设置有充电口和放电 口， 放电口与工具本体插接式连接。
10.—种两用便携式手持电动工具， 其特征在于： 包括工具本体、 动力源、 充 电电池， 所述工具本体上采用直流电机， 动力源采用电子变压器或开关电源， 动 力源由市电供电， 工具本体与动力源插接式连接， 充电电池与工具本体通过导线 固定连接。
11.两用便携式移动电动工具， 其特征在于： 包括分体的工具本体、 动力源、 充电电池， 所述工具本体上采用直流电机， 动力源采用电子变压器或开关电源， 动力源由市电供电， 工具本体与动力源插接式连接或者导线固定连接， 充电电池 上设置有充电口和放电口， 放电口与工具本体插接式连接或者导线固定连接。
12.如权利要求 11 所述的两用便携式移动电动工具， 其特征在于： 所述动力 源上设置有充电电路， 充电电路的输出端口为充电端口， 充电电池上的充电口与 动力源上的充电端口插接式连接。
13.如权利要求 11 所述的两用便携式移动电动工具， 其特征在于： 所述直流 电机采用永磁无刷直流电机。
14.如权利要求 11 所述的两用便携式移动电动工具， 其特征在于： 还包括固 定机构， 所述充电电池设置在固定机构上
15.如权利要求 14所述的两用便携式移动电动工具， 其特征在于： 所述固定 机构包括包体和两段连接带， 所述充电电池放置于包体内， 两段连接带的一端固 定在包体上， 另一端可相互扣接
16.如权利要求 15 所述的两用便携式移动电动工具， 其特征在于： 两根连接 带的端部分别设置相对应的卡扣和扣座进行扣接连接。
17.如权利要求 14所述的两用便携式移动电动工具， 其特征在于： 所述固定 机构包括包体和腰带卡扣， 所述充电电池放置于包体内， 腰带卡扣整体呈 V形， 一外侧与包体连接， 中间开口处可倒扣在腰带上。
18.两用便携式园林工具， 其特征在于： 包括分体的工具本体、 动力源、 充电 电池， 所述工具本体上采用直流电机， 动力源采用电子变压器或开关电源， 动力 源由市电供电， 工具本体与动力源插接式连接或者导线固定连接， 充电电池上设 置有充电口和放电口， 放电口与工具本体插接式连接或者导线固定连接。
19.两用便携式木工工具， 其特征在于： 包括分体的工具本体、 动力源、 充电 电池， 所述工具本体上采用直流电机， 动力源采用电子变压器或开关电源， 动力源 由市电供电，工具本体与动力源插接式连接或者导线固定连接，充电电池上设置有 充电口和放电口， 放电口与工具本体插接式连接或者导线固定连接。
PCT/CN2009/070342 2008-02-03 2009-02-03 两用便携式手持电动工具、移动电动工具、园林工具、木工工具 WO2009100673A1 (zh)

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